Year	PNG (DOD, current US$)
1997	1905000000
1998	22163094250
1999	22583122258
2000	21762085470.3
2001	22326181600
2002	28514282452.7
2003	56987681521
2004	83256985972.5
2005	138589019611.2
2006	164936481125
2007	181864067580.8
2008	211082698132
2009	198577860211.2
2010	183272989705.6
2011	270290681286.2
2012	291182364801.4
2013	301930812895
2014	251312902025.8
2015	223554532947.8
2016	291055567132.2
2017	239000000545.6
2018	220469949064.3
2019	208319131209.9
2020	197408961385
2021	193183672126.5
2022	150457801673