| Country | Year | |||||
|---|---|---|---|---|---|---|
| Belarus | 2017 | 4,391,076 | 5,059,705 | 9,450,781 | ||
| Bulgaria | 2017 | 3,432,980 | 3,606,933 | 7,039,913 | ||
| Czechia | 2017 | 5,198,744 | 5,375,748 | 10,574,492 | ||
| Hungary | 2017 | 4,650,071 | 5,111,875 | 9,761,946 | ||
| Slovakia | 2017 | 2,615,763 | 2,777,287 | 5,393,050 | ||
| Moldova | 2017 | 1,672,866 | 1,761,150 | 3,434,016 | ||
| Poland | 2017 | 18,439,098 | 19,671,615 | 38,110,713 | ||
| Romania | 2017 | 10,375,945 | 10,963,101 | 21,339,046 | ||
| Russia | 2017 | 65,003,928 | 75,676,633 | 140,680,561 | ||
| Ukraine | 2017 | 20,156,815 | 23,421,319 | 43,578,134 |