Year	current US$
1992	6260330578.512397
1993	11010661150.44952
1994	9429854671.002449
1995	10994346888.880405
1996	12209416136.939312
1997	13049027340.51367
1998	12558793633.98235
1999	8847449058.335749
2000	8849946549.83571
2001	10937162158.61193
2002	12434374724.909615
2003	15978644758.742544
2004	23034391884.441505
2005	29716810656.231186
2006	41818243275.28292
2007	56860452570.33161
2008	69529595329.61687
2009	62261169603.24263
2010	76510928030.94568
2011	94173215480.23125
2012	106890158772.7387
2013	125841242527.80534
2014	121421214860.39862
2015	109337950058.01086
2016	79425714870.23615
2017	95587081639.31131
2018	99452504477.92683
2019	100876619352.65692
2020	95981964867.6864
2021	106281660689.23416
2022	118710103984.44035
2023	146312765337.10388
