Year	constant 2015 US$
1995	4482960687365.525
1996	4721862135492.513
1997	4970171435897.202
1998	5115116291679.322
1999	5326365229303.787
2000	5657262595916.639
2001	5819540903628.049
2002	6060109018518.915
2003	6306898417549.786
2004	6675892035281.187
2005	7139691515670.105
2006	7644706559438.507
2007	8252922068687.102
2008	8695335421508.128
2009	9057169251868.045
2010	9707658002896.436
2011	10480568060369.082
2012	11072276530371.121
2013	11656487529886.68
2014	12178300945059.639
2015	12766283555953.34
2016	13339199195972.068
2017	13974403162256.057
2018	14669673279855.31
2019	15270115382849.016
2020	14943515251599.988
2021	16087890549752.016
2022	16695037065432.29
2023	17716865894656.75