US dollar billion, at current prices and exchange rates.
| तिथि | मान | बदले , % |
|---|---|---|
| 2019 | 35.5 | 6.67% |
| 2018 | 33.3 | 13.50% |
| 2017 | 29.3 | 9.76% |
| 2016 | 26.7 | -2.91% |
| 2015 | 27.5 | -13.44% |
| 2014 | 31.8 | 5.74% |
| 2013 | 30.1 | 11.60% |
| 2012 | 26.9 | -11.94% |
| 2011 | 30.6 | 5.33% |
| 2010 | 29.1 | -10.73% |
| 2009 | 32.5 | -6.99% |
| 2008 | 35.0 |