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
| तिथि | मान | बदले , % |
|---|---|---|
| 2021 | 19 | -0.72% |
| 2020 | 19 | 2.07% |
| 2019 | 18 | -0.10% |
| 2018 | 18 | -4.94% |
| 2017 | 19 | 1.05% |
| 2016 | 19 | 22.40% |
| 2015 | 16 | -41.21% |
| 2014 | 27 | 134.11% |
| 2013 | 11 | 16.98% |
| 2012 | 10 | 17.71% |
| 2011 | 8 | 21.77% |
| 2010 | 7 |