Year	current US$
1999	232600000
2000	238100000
2001	348574793.62321
2002	441830059.991341
2003	298785184.174033
2004	310532464.928579
2005	321808492.95616
2006	411000000
2007	451571875.891444
2008	723521002.699915
2009	781097319.368914
2010	770789132.022296
2011	816231810.794777
2012	913264190.720656
2013	940664379.276376
2014	887611309.440542
2015	902157540.458581
2016	1146050427.30299
2017	1165739410.77889
2018	1338053924.78985
2019	1424508662.67091
2020	1061902500.31817
2021	1155212579.46723
2022	1250376025.66842
2023	1294938294.80009