Year	current US$
2008	583527171.524828
2009	415122256.18227285
2010	505368489.57124996
2011	515736051.9143558
2012	458899604.0280701
2013	567896725.5244408
2014	587083249.1949284
2015	483342875.1486748
2016	546076524.6767565
2017	532002720.2707618
2018	514574744.352973
2019	571835927.7039372
2020	568136983.959657
2021	651718700.6507156
2022	691571074.6269913
2023	811113754.5825177