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
| 日付 | 値 | 変更 , % |
|---|---|---|
| 2021 | 5,509 | -9.62% |
| 2020 | 6,096 | -6.10% |
| 2019 | 6,492 | -13.52% |
| 2018 | 7,507 | 10.24% |
| 2017 | 6,810 | -15.63% |
| 2016 | 8,071 | 4.19% |
| 2015 | 7,747 | -8.34% |
| 2014 | 8,451 | -7.25% |
| 2013 | 9,113 | -6.22% |
| 2012 | 9,717 | 79.69% |
| 2011 | 5,407 | 30.92% |
| 2010 | 4,130 |