21.02.2020
In 1997-1999 the data of the 2nd quarter, since 2000 the annual average data.
* Average level of knowledge of language: 1 - writes and speaks; 2 - speaks; 3 - understands.
21.02.2020
In 1997-1999 the data of the 2nd quarter, since 2000 the annual average data.
* Average level of knowledge of language: 1 - writes and speaks; 2 - speaks; 3 - understands.