Year	current US$
2008	5421984766.36883
2009	5101747846.624063
2010	5433365636.629021
2011	6496425181.023755
2012	6360842590.237146
2013	6896736547.822218
2014	7225543489.813054
2015	6398632302.817277
2016	6765147256.926726
2017	7324662733.872115
2018	8012300817.338295
2019	8079554105.613872
2020	7904028034.986752
2021	9592462889.338129
2022	9476376917.370998
2023	10636171010.800909