US dollar billion, expressed at 2011 prices and exchange rates. This series excludes the effect of price changes and therefore allows for real (volume) changes to be determined.
| तिथि | मान | बदले , % |
|---|---|---|
| 2019 | 28.6 | 2.50% |
| 2018 | 27.9 | 2.71% |
| 2017 | 27.2 | 1.93% |
| 2016 | 26.7 | 2.54% |
| 2015 | 26.0 | 0.09% |
| 2014 | 26.0 | 0.05% |
| 2013 | 26.0 | -1.52% |
| 2012 | 26.4 | -0.74% |
| 2011 | 26.6 | 4.88% |
| 2010 | 25.3 | 14.67% |
| 2009 | 22.1 | -2.38% |
| 2008 | 22.6 |