| Economic activities total | Enterprises total | | 6 487.000 | 7 237.000 | 6 183.000 | 7 036.000 | 7 130.000 |
| Enterprises with an internal training centre | | 194.000 | 256.000 | 261.000 | 341.000 | 619.000 |
| Share of enterprises with an internal training centre, % | | 2.991 | 4.000 | 4.000 | 5.000 | 9.000 |
| Mining and quarrying | Enterprises total | | 39.000 | 44.000 | 46.000 | 47.000 | 43.000 |
| Enterprises with an internal training centre | | 6.000 | | 3.000 | 1.000 | 1.000 |
| Share of enterprises with an internal training centre, % | | 15.385 | 0.000 | 7.000 | 2.000 | 2.000 |
| Manufacture of food products, beverages and tobacco | Enterprises total | | 251.000 | 251.000 | 193.000 | 207.000 | 213.000 |
| Enterprises with an internal training centre | | 5.000 | 5.000 | .. | 4.000 | 6.000 |
| Share of enterprises with an internal training centre, % | | 1.992 | 2.000 | .. | 2.000 | 3.000 |
| Manufacture of textiles and textile products, leather and leather products | Enterprises total | | 326.000 | 327.000 | 201.000 | 203.000 | 183.000 |
| Enterprises with an internal training centre | | 13.000 | | .. | 4.000 | 10.000 |
| Share of enterprises with an internal training centre, % | | 3.988 | 1.000 | .. | 2.000 | 5.000 |
| Manufacture of pulp, paper and paper products; publishing and printing | Enterprises total | | 132.000 | 161.000 | 74.000 | 87.000 | 74.000 |
| Enterprises with an internal training centre | | 4.000 | | .. | 0.000 | 5.000 |
| Share of enterprises with an internal training centre, % | | 3.030 | 0.000 | .. | 0.000 | 7.000 |
| Manufacture of coke, refined petroleum products, nuclear fuel, chemical products, etc. | Enterprises total | | 155.000 | 197.000 | 164.000 | 177.000 | 193.000 |
| Enterprises with an internal training centre | | 8.000 | 7.000 | 3.000 | 6.000 | 4.000 |
| Share of enterprises with an internal training centre, % | | 5.161 | 4.000 | 2.000 | 3.000 | 2.000 |
| Manufacture of basic metals and fabricated metal products | Enterprises total | | 177.000 | 272.000 | 231.000 | 308.000 | 334.000 |
| Enterprises with an internal training centre | | | 9.000 | 11.000 | 3.000 | 18.000 |
| Share of enterprises with an internal training centre, % | | 1.130 | 3.000 | 5.000 | 1.000 | 5.000 |
| Manufacture of machinery and equipment n.e.c. | Enterprises total | | 168.000 | 201.000 | 213.000 | 259.000 | 275.000 |
| Enterprises with an internal training centre | | 7.000 | 6.000 | 6.000 | 16.000 | 16.000 |
| Share of enterprises with an internal training centre, % | | 4.167 | 3.000 | 3.000 | 6.000 | 6.000 |
| Manufacture of transport equipment | Enterprises total | | 36.000 | 68.000 | 43.000 | 43.000 | 55.000 |
| Enterprises with an internal training centre | | | 3.000 | .. | 2.000 | 0.000 |
| Share of enterprises with an internal training centre, % | | 2.778 | 4.000 | .. | 5.000 | 0.000 |
| Manufacture of wood and wood products; manufacturing n.e.c. | Enterprises total | | 467.000 | 550.000 | 410.000 | 437.000 | 447.000 |
| Enterprises with an internal training centre | | 5.000 | | .. | 4.000 | 0.000 |
| Share of enterprises with an internal training centre, % | | 1.071 | 0.000 | .. | 1.000 | 0.000 |
| Electricity, gas and water supply | Enterprises total | | 158.000 | 114.000 | 141.000 | 136.000 | 126.000 |
| Enterprises with an internal training centre | | 5.000 | | 7.000 | 4.000 | 2.000 |
| Share of enterprises with an internal training centre, % | | 3.165 | 2.000 | 5.000 | 3.000 | 2.000 |
| Construction | Enterprises total | | 831.000 | 958.000 | 773.000 | 993.000 | 1 045.000 |
| Enterprises with an internal training centre | | 17.000 | 12.000 | 6.000 | 70.000 | 46.000 |
| Share of enterprises with an internal training centre, % | | 2.046 | 1.000 | 1.000 | 7.000 | 4.000 |
| Sale, repair of motor vehicles, retail sale of automotive fuel | Enterprises total | | 284.000 | 260.000 | 184.000 | 221.000 | 228.000 |
| Enterprises with an internal training centre | | 9.000 | 16.000 | 30.000 | 9.000 | 19.000 |
| Share of enterprises with an internal training centre, % | | 3.169 | 6.000 | 16.000 | 4.000 | 8.000 |
| Wholesale trade and commission trade, except of motor vehicles and motorcycles | Enterprises total | | 690.000 | 829.000 | 598.000 | 610.000 | 572.000 |
| Enterprises with an internal training centre | | 33.000 | 27.000 | 18.000 | 46.000 | 46.000 |
| Share of enterprises with an internal training centre, % | | 4.783 | 3.000 | 3.000 | 8.000 | 8.000 |
| Retail trade, excl of motor vehicles and motorcycles; repair of household goods | Enterprises total | | 877.000 | 708.000 | 553.000 | 538.000 | 549.000 |
| Enterprises with an internal training centre | | 4.000 | 23.000 | 11.000 | 20.000 | 216.000 |
| Share of enterprises with an internal training centre, % | | 0.456 | 3.000 | 2.000 | 4.000 | 39.000 |
| Hotels and restaurants | Enterprises total | | 346.000 | 447.000 | 404.000 | 603.000 | 628.000 |
| Enterprises with an internal training centre | | 5.000 | 30.000 | 24.000 | 10.000 | 50.000 |
| Share of enterprises with an internal training centre, % | | 1.445 | 7.000 | 6.000 | 2.000 | 8.000 |
| Transport, storage and communication, except post and telecommunications | Enterprises total | | 489.000 | 634.000 | 577.000 | 675.000 | 594.000 |
| Enterprises with an internal training centre | | 23.000 | 18.000 | 20.000 | 29.000 | 59.000 |
| Share of enterprises with an internal training centre, % | | 4.703 | 3.000 | 4.000 | 4.000 | 10.000 |
| Post and telecommunications | Enterprises total | | 32.000 | 28.000 | 244.000 | 288.000 | 339.000 |
| Enterprises with an internal training centre | | 5.000 | 4.000 | 23.000 | 14.000 | 35.000 |
| Share of enterprises with an internal training centre, % | | 15.625 | 14.000 | 9.000 | 5.000 | 10.000 |
| Financial intermediation; Insurance and pension funding | Enterprises total | | 50.000 | 32.000 | 47.000 | 58.000 | 70.000 |
| Enterprises with an internal training centre | | 15.000 | 12.000 | 14.000 | 17.000 | 19.000 |
| Share of enterprises with an internal training centre, % | | 30.000 | 38.000 | 30.000 | 29.000 | 27.000 |
| Activities auxiliary to financial intermediation | Enterprises total | | 21.000 | 29.000 | 39.000 | 38.000 | 33.000 |
| Enterprises with an internal training centre | | | 3.000 | 10.000 | 6.000 | 4.000 |
| Share of enterprises with an internal training centre, % | | 0.000 | 10.000 | 26.000 | 16.000 | 12.000 |
| Real estate, renting, business and other service activities | Enterprises total | | 958.000 | 1 127.000 | 1 048.000 | 1 109.000 | 1 134.000 |
| Enterprises with an internal training centre | | 27.000 | 76.000 | 63.000 | 77.000 | 63.000 |
| Share of enterprises with an internal training centre, % | | 2.818 | 7.000 | 6.000 | 7.000 | 6.000 |