Year	DOD, current US$
1998	0
1999	710000
2000	3372000
2001	7357000
2002	12498000
2003	15633000
2004	22594000
2005	30854000
2006	29010000
2007	26501000
2008	26168000
2009	20673000
2010	383733000
2011	583108000
2012	1077011000
2013	1336687000
2014	1966737000
2015	1784791000
2016	2342769000
2017	2686253000
2018	2277401000
2019	2239455000
2020	2082195000
2021	1852574000
2022	2786805000