Year	PPG (TDS, current US$)
1970	31752863.1
1971	28938574.5
1972	45093541.4
1973	51043024.4
1974	73481373.5
1975	81571461.3
1976	115242516.7
1977	166342830.9
1978	367586554.4
1979	277827067.1
1980	295408814.8
1981	285860415.7
1982	293323985.4
1983	295472634.7
1984	309975340.6
1985	253703256.7
1986	162525885
1987	170017938.9
1988	295250274.9
1989	254168216.5
1990	281583301.7
1991	226625460.7
1992	230215771.5
1993	280909874.1
1994	293223364
1995	297554882.9
1996	309995434.8
1997	323914341.2
1998	348515756.2
1999	246929804.6
2000	270512258.5
2001	246768327.6
2002	220085211.2
2003	267590034.1
2004	261666188.5
2005	285275152.2
2006	313003054.9
2007	269462261.6
2008	474909327.6
2009	268315767.8
2010	300631686.4
2011	231196227.6
2012	442674670.2
2013	284741935
2014	370843990.2
2015	526512100.6
2016	465022234
2017	581291313.2
2018	675765479
2019	783011401.1
2020	821098169.1
2021	801192771.4
2022	1809359632.5