| Country | Year | |||||
|---|---|---|---|---|---|---|
| Belarus | 2016 | 4,399,530 | 5,069,638 | 9,469,168 | ||
| Bulgaria | 2016 | 3,454,846 | 3,626,923 | 7,081,769 | ||
| Czechia | 2016 | 5,189,117 | 5,370,134 | 10,559,251 | ||
| Hungary | 2016 | 4,660,260 | 5,124,628 | 9,784,888 | ||
| Slovakia | 2016 | 2,615,370 | 2,777,050 | 5,392,420 | ||
| Moldova | 2016 | 1,688,238 | 1,780,866 | 3,469,104 | ||
| Poland | 2016 | 18,461,663 | 19,690,084 | 38,151,747 | ||
| Romania | 2016 | 10,409,564 | 10,995,762 | 21,405,326 | ||
| Russia | 2016 | 65,031,057 | 75,703,270 | 140,734,327 | ||
| Ukraine | 2016 | 20,225,963 | 23,516,794 | 43,742,757 |