Year	current US$
1999	177435056.81676963
2000	158523485.73067945
2001	163978167.54663008
2002	177259504.90275687
2003	192333373.63178992
2004	215374864.27372807
2005	256307291.9598453
2006	296655690.4955373
2007	366434167.3446627
2008	499637285.41368026
2009	535871935.25460017
2010	580458006.9414946
2011	695191539.6551595
2012	624628130.6818172
2013	599163980.9722936
2014	703521991.3082188
2015	754355432.6426986
2016	758406938.5704569
2017	785922218.188277
2018	803589947.3854985
2019	877213055.4216626
2020	826902567.4297503
2021	867433226.4373703
2022	982057506.4764596
2023	998961558.826011