Year	constant 2015 US$
2000	173219329.8865216
2001	178520813.3146643
2002	180993196.69848058
2003	187607390.39864495
2004	194909108.33106145
2005	199700676.01505575
2006	205441973.46343416
2007	213724060.58619493
2008	201785075.40125757
2009	194606288.71998245
2010	189369256.3650074
2011	196755889.38784936
2012	198680254.10467282
2013	197695482.27055377
2014	207025473.406346
2015	225012404.54101598
2016	225031283.51615015
2017	218111292.4505027
2018	220014050.03918174
2019	215971459.69630426
2020	200962065.7248359
2021	169595159.28075838
2022	170877582.9146988