| Country | Year | |||||
|---|---|---|---|---|---|---|
| Belarus | 2018 | 4,382,043 | 5,048,987 | 9,431,030 | ||
| Bulgaria | 2018 | 3,410,846 | 3,586,312 | 6,997,158 | ||
| Czechia | 2018 | 5,207,105 | 5,380,353 | 10,587,458 | ||
| Hungary | 2018 | 4,639,331 | 5,098,484 | 9,737,815 | ||
| Slovakia | 2018 | 2,615,732 | 2,777,189 | 5,392,921 | ||
| Moldova | 2018 | 1,657,427 | 1,741,465 | 3,398,892 | ||
| Poland | 2018 | 18,412,546 | 19,649,248 | 38,061,794 | ||
| Romania | 2018 | 10,340,862 | 10,928,814 | 21,269,676 | ||
| Russia | 2018 | 64,962,092 | 75,631,611 | 140,593,703 | ||
| Ukraine | 2018 | 20,130,025 | 23,376,400 | 43,506,425 |