| Country | Year | |||||
|---|---|---|---|---|---|---|
| Belarus | 2010 | 4,450,553 | 5,121,215 | 9,571,768 | ||
| Bulgaria | 2010 | 3,578,257 | 3,735,280 | 7,313,537 | ||
| Czechia | 2010 | 5,115,596 | 5,317,419 | 10,433,015 | ||
| Hungary | 2010 | 4,709,240 | 5,185,951 | 9,895,191 | ||
| Slovakia | 2010 | 2,601,709 | 2,763,848 | 5,365,557 | ||
| Moldova | 2010 | 1,782,111 | 1,902,991 | 3,685,102 | ||
| Poland | 2010 | 18,499,926 | 19,703,086 | 38,203,012 | ||
| Romania | 2010 | 10,587,999 | 11,162,332 | 21,750,331 | ||
| Russia | 2010 | 65,096,414 | 75,667,533 | 140,763,947 | ||
| Ukraine | 2010 | 20,856,150 | 24,411,215 | 45,267,365 |