US dollar billion, at current prices and exchange rates.
| तिथि | मान | बदले , % |
|---|---|---|
| 2019 | 20.9 | 5.31% |
| 2018 | 19.8 | 17.37% |
| 2017 | 16.9 | -19.71% |
| 2016 | 21.0 | 11.14% |
| 2015 | 18.9 | -16.15% |
| 2014 | 22.6 | 15.56% |
| 2013 | 19.5 | 4.05% |
| 2012 | 18.8 | 8.62% |
| 2011 | 17.3 | 20.66% |
| 2010 | 14.3 | 8.13% |
| 2009 | 13.3 | -1.11% |
| 2008 | 13.4 |