| Country | Year | |||||
|---|---|---|---|---|---|---|
| Belarus | 1999 | 4,668,520 | 5,303,289 | 9,971,809 | ||
| Bulgaria | 1999 | 3,874,835 | 4,025,849 | 7,900,684 | ||
| Czechia | 1999 | 4,955,604 | 5,235,209 | 10,190,813 | ||
| Hungary | 1999 | 4,806,387 | 5,269,875 | 10,076,262 | ||
| Slovakia | 1999 | 2,595,350 | 2,743,886 | 5,339,236 | ||
| Moldova | 1999 | 2,000,789 | 2,178,385 | 4,179,174 | ||
| Poland | 1999 | 18,595,971 | 19,684,045 | 38,280,016 | ||
| Romania | 1999 | 10,873,146 | 11,371,413 | 22,244,559 | ||
| Russia | 1999 | 68,408,347 | 78,059,025 | 146,467,372 | ||
| Ukraine | 1999 | 22,732,838 | 26,359,206 | 49,092,044 |