US dollar billion, at current prices and exchange rates.
| तिथि | मान | बदले , % |
|---|---|---|
| 2019 | 18.1 | -0.38% |
| 2018 | 18.1 | 0.54% |
| 2017 | 18.0 | 9.30% |
| 2016 | 16.5 | 10.94% |
| 2015 | 14.9 | -13.99% |
| 2014 | 17.3 | -15.57% |
| 2013 | 20.5 | -4.77% |
| 2012 | 21.5 | -0.16% |
| 2011 | 21.5 | -6.27% |
| 2010 | 23.0 | 74.40% |
| 2009 | 13.2 | -6.55% |
| 2008 | 14.1 |