Year	current US$
1996	1165016858.5000741
1997	712413087.9345604
1998	732872453.0299021
1999	832541636.4952933
2000	853223432.0315537
2001	890950856.1882222
2002	957666990.9647607
2003	1233309073.687226
2004	1475553858.65087
2005	1517438816.1664233
2006	1575348420.4728243
2007	1831547685.9385889
2008	2168840322.5551906
2009	2022750081.8083153
2010	2141583008.4295468
2011	2349571760.808001
2012	2312038877.1861596
2013	2499688485.2891855
2014	2644330678.8016686
2015	2252343961.1195364
2016	2354447509.918038
2017	2476628808.468871
2018	2793252451.8871417
2019	2832292992.261606
2020	2915069419.236079
2021	3291715601.8160744
2022	3522763459.424214
2023	4197328706.8408766