US dollar billion, at current prices and exchange rates.
| तिथि | मान | बदले , % |
|---|---|---|
| 2019 | 4.3 | 6.17% |
| 2018 | 4.1 | 63.90% |
| 2017 | 2.5 | 16.76% |
| 2016 | 2.1 | -6.24% |
| 2015 | 2.3 | 8.05% |
| 2014 | 2.1 | -5.70% |
| 2013 | 2.2 | 13.04% |
| 2012 | 2.0 | -0.66% |
| 2011 | 2.0 | 39.08% |
| 2010 | 1.4 | 29.36% |
| 2009 | 1.1 | -4.80% |
| 2008 | 1.2 |