Year	constant 2015 US$
2006	3986512062.876377
2007	4197334276.8480773
2008	4177388117.443464
2009	3855742848.198617
2010	3775071169.222018
2011	3814883155.8411946
2012	3884792261.2234845
2013	3933990171.743521
2014	4012656903.269884
2015	4116697563.727035
2016	4227799458.062492
2017	4367572796.474242
2018	4521243155.992706
2019	4702241320.501648
2020	4496557954.651877
2021	4653615651.825209
2022	4916242628.27665