Year	constant 2015 US$
1995	9843411582638.959
1996	9748096271599.836
1997	10090896117792.914
1998	9711165586986.107
1999	9821039516597.588
2000	10236024140720.805
2001	10571625221410.576
2002	11758526676084.553
2003	11756043532443.818
2004	13303495171821.918
2005	14123052774944.225
2006	15527318882442.662
2007	17903721856550.527
2008	19160576773748.26
2009	19961538121583.902
2010	21767800400733.223
2011	23377607939553.973
2012	24658849804205.348
2013	25887731040911.965
2014	27089568639438.395
2015	27935260692315.246
2016	29216330350675.24
2017	30789558767782.82
2018	32467839954506.617
2019	33614039886530.99
2020	32983696500933.355
2021	35388448201318.24
2022	36771179802605.77
2023	38480878547567.414