Year	DOD, current US$
1990	0
1991	626528.4
1992	4426000
1993	5716000
1994	7214000
1995	10042000
1996	12115000
1997	13445000
1998	16716000
1999	17808000
2000	17598000
2001	17011000
2002	26017000
2003	33365000
2004	36605000
2005	37511000
2006	50643000
2007	64089000
2008	67417000
2009	69243000
2010	80337000
2011	81998000
2012	79509000
2013	86419000
2014	84457000
2015	81299000
2016	79490000
2017	85612000
2018	85646000
2019	86620000
2020	108254000
2021	150248000
2022	156720000