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
| Дата | Значение | Изменение , % |
|---|---|---|
| 2021 | 12 090 | 1,40% |
| 2020 | 11 924 | 3,49% |
| 2019 | 11 522 | 6,65% |
| 2018 | 10 803 | -2,16% |
| 2017 | 11 041 | 1,33% |
| 2016 | 10 896 | -1,72% |
| 2015 | 11 087 | 5,39% |
| 2014 | 10 520 | -0,58% |
| 2013 | 10 581 | -5,56% |
| 2012 | 11 204 | 3,52% |
| 2011 | 10 823 | 0,95% |
| 2010 | 10 720 |