Figures in constant (2020) US$ are present according to calendar year, calculated on the assumption that, where financial years do not correspond to calendar years, spending is distributed evenly through the year
| 1970 | 1990 | 2000 | 2005 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Чехия | 4 292 | 10 530 | ||||||||||||||
| Венгрия | 2 345 | 1 425 | 1 691 | 1 147 | 1 163 | 1 107 | 1 046 | 1 031 | 1 159 | 1 324 | 1 437 | 1 679 | 2 000 | 2 771 | 2 608 | |
| Словакия | 1 072 | 1 309 | 1 151 | 988 | 988 | 895 | 924 | 1 096 | 1 124 | 1 143 | 1 310 | 1 871 | 2 047 | 1 875 | ||
| Польша | 4 796 | 6 321 | 5 441 | 6 645 | 8 021 | 8 133 | 8 204 | 8 138 | 9 054 | 10 774 | 10 178 | 10 408 | 11 788 | 11 987 | 13 718 | 13 002 |