Year	current US$
2002	3425969.56449344
2003	3572190.127134
2004	4412487.24004896
2005	4885911.55654628
2006	4904757.83936858
2007	5150649.70313594
2008	5635925.15674458
2009	6352019.8216922
2010	6858778.06928936
2011	7457096.76641773
2012	9321014.93246432
2013	14869677.8527018
2014	17845500.2238392
2015	18081865.192635
2016	21546933.4262908
2017	22824427.1559447
2018	23899035.4027686
2019	25282931.0756278
2020	37497969.6950585
2021	45787243.3221273