Year	current US$
1992	1473553.52319703
1993	1542422.58505076
1994	1610805.43910472
1995	1834456.9470214
1996	1910076.28274035
1997	1986732.05659651
1998	2225489.48344169
1999	2307630.97596471
2000	2413009.46353909
2001	2911026.13736737
2002	2821386.68250638
2003	3362061.18561446
2004	3529989.6605368
2005	3722599.3141966
2006	3433330.45101471
2007	3605454.75381982
2008	3220528.68956215
2009	3590271.87631049
2010	3143606.66832209
2011	3579406.36787454
2012	4039106.16208132
2013	4525554.06625455
2014	4713905.99403804
2015	5215923.05030267
2016	6104964.29240777
2017	6735076.97537214
2018	6660386.82938993
2019	7340206.03137061
2020	7862769.45368295
2021	8561751.17671341