Year	constant 2015 US$
2006	3089028187.645377
2007	3054912576.1024656
2008	3095885388.9615164
2009	3275804636.2745843
2010	3367994910.1016226
2011	3396664889.709253
2012	3599249546.3412323
2013	3767402272.328401
2014	3895223636.4900312
2015	3792245229.3950467
2016	3892779039.5069885
2017	3984396397.4227605
2018	4166520942.6496887
2019	4260639463.6183004
2020	4340052241.086495
2021	4387003390.69465
2022	4523343113.088779