| Country | Year | |||||
|---|---|---|---|---|---|---|
| Belarus | 2004 | 4,558,117 | 5,209,436 | 9,767,553 | ||
| Bulgaria | 2004 | 3,725,010 | 3,872,848 | 7,597,858 | ||
| Czechia | 2004 | 4,941,535 | 5,210,032 | 10,151,567 | ||
| Hungary | 2004 | 4,752,472 | 5,225,669 | 9,978,141 | ||
| Slovakia | 2004 | 2,598,144 | 2,755,033 | 5,353,177 | ||
| Moldova | 2004 | 1,901,461 | 2,050,212 | 3,951,673 | ||
| Poland | 2004 | 18,540,464 | 19,682,385 | 38,222,849 | ||
| Romania | 2004 | 10,742,669 | 11,293,877 | 22,036,546 | ||
| Russia | 2004 | 66,183,183 | 76,342,970 | 142,526,153 | ||
| Ukraine | 2004 | 21,667,692 | 25,260,421 | 46,928,113 |