Year	constant 2015 US$
1995	5282681222433.842
1996	5600418601755.093
1997	5862985359204.666
1998	6017687931635.136
1999	6197022860981.99
2000	6535674511417.091
2001	6760018363082.939
2002	7021606327745.844
2003	7335682530999.534
2004	7802346113165.765
2005	8345548711541.834
2006	8914886502956.924
2007	9650212553226.943
2008	10198530273819.992
2009	10460802167889.309
2010	11214691723363.55
2011	12092484712478.36
2012	12784358304991.307
2013	13475978142149.766
2014	14112019508497.002
2015	14658153727994.291
2016	15320740627929.963
2017	16200449162983.643
2018	17040998081594.412
2019	17770861866141.797
2020	17124599725143.76
2021	18763460047050.2
2022	19637030990894.87