Year	current US$
1995	1831169310.217632
1996	1643828222.778473
1997	2321066629.2779746
1998	2077588884.3065674
1999	1291644479.9273014
2000	2027898089.983969
2001	2409150079.91255
2002	5794397998.153329
2003	7335803896.778102
2004	9502660139.744188
2005	13134550592.524189
2006	19463137284.169266
2007	22589932331.756012
2008	30402585451.531326
2009	34443967456.099174
2010	35101107338.04163
2011	43682772592.67737
2012	50715287562.19823
2013	56621174882.885185
2014	63651400427.2384
2015	44035457377.11074
2016	24787933029.242023
2017	34459450712.32776
2018	34328187062.53299
2019	29864497022.405987
2020	21532555295.923817
2021	27223038047.870316
2022	43645617512.89643
2023	33652805088.537445