Year	constant 2015 US$
1990	4485336782.872652
1991	3783140498.0636687
1992	3644025333.785544
1993	4390538891.984762
1994	5085659813.09023
1995	6254801254.996089
1996	6471595635.772652
1997	7182199809.266792
1998	7761773838.916793
1999	8901672959.07734
2000	9122615808.55195
2001	8940892020.735153
2002	9113028507.66406
2003	9902246107.510544
2004	10948686518.842184
2005	10964433835.298824
2006	12313188771.50351
2007	14505917987.732805
2008	15006420362.206635
2009	10180455355.321873
2010	9609777400.028904
2011	9344809079.054293
2012	7747787319.417575
2013	8105976913.462497
2014	8244794728.2859335
2015	8260983630.873043
2016	8229565554.349215
2017	9340698333.794525
2018	10373801290.667963
2019	10429360148.66601
2020	9767261659.724213
2021	11122562721.983587
2022	11998455468.845695
2023	10823473551.083586