Year	constant 2015 US$
1995	7869130784198.15
1996	8366660310608.44
1997	8865295084476.004
1998	9250379865606.072
1999	9610535086984.059
2000	10127804900490.586
2001	10544953817168.043
2002	11039857354615.07
2003	11729755286203.176
2004	12593188443506.76
2005	13512396018619.143
2006	14754194321955.041
2007	16205379940854.428
2008	17281725564224.367
2009	17972331128952.3
2010	19394384526319.816
2011	21015468348073.375
2012	22184183472275.715
2013	23280473170375.367
2014	24501062405209.984
2015	25497170544806.777
2016	26628684339272.03
2017	28061473303107.46
2018	29376965790235.28
2019	30594776963801.664
2020	30128405761139.8
2021	32388052079312.35
2022	33556672236942.832