Year	current US$
2008	11807972263.185831
2009	13788102534.038603
2010	18171005556.046825
2011	21719090484.152172
2012	22199029582.305645
2013	22965212178.80043
2014	24692538071.723328
2015	23103428173.157513
2016	25042017104.82025
2017	26285774951.129833
2018	27796299872.90591
2019	30585451032.499393
2020	31632018955.831272
2021	26474305463.310005
2022	24539227285.230343
2023	26893508422.761906