Year	current US$
1995	2275390758.6993723
1996	2953175089.3312917
1997	3181698524.074522
1998	3677526510.1870604
1999	3377901753.543118
2000	3561696407.8794904
2001	4044695545.108574
2002	4459957935.425193
2003	5717024966.178822
2004	7827519188.239885
2005	9737186060.983198
2006	13025682217.20592
2007	17797774586.239914
2008	18615162987.86727
2009	11673204058.938002
2010	13258874155.263243
2011	18053568017.807465
2012	18813181777.95598
2013	19561427856.27968
2014	20126704515.30424
2015	16909654365.501163
2016	16654570498.496538
2017	18980093145.655327
2018	21402443304.994495
2019	20782474461.98428
2020	20444019668.591496
2021	26719874166.89492
2022	31319508280.12269
2023	29627365902.58876