Year	PPG (TDS, current US$)
1970	9126338.9
1971	12132350.3
1972	13200236
1973	29471426.4
1974	33938983.2
1975	39531332.4
1976	42816140.9
1977	57020664.6
1978	102550950
1979	134538989.4
1980	218667249.8
1981	125511301.7
1982	65101456.8
1983	68999091
1984	100948869.5
1985	97689900.7
1986	192935019.6
1987	269557816.7
1988	271671099.9
1989	270958991.6
1990	210913777.6
1991	219509577.6
1992	130513419.4
1993	77143757.3
1994	179914978.2
1995	218874306.3
1996	231882526.8
1997	168348289.1
1998	228514825.3
1999	181496187.1
2000	182318030.3
2001	160464078.7
2002	178486597.6
2003	190000227.5
2004	278620371.7
2005	127760809.8
2006	157842126.2
2007	106405354.9
2008	123380338
2009	137959662.3
2010	148126363.3
2011	246908527.8
2012	228984489.5
2013	250928985
2014	228091565.6
2015	240123283.5
2016	266263959.7
2017	439672956.7
2018	599613652.7
2019	795304148.1
2020	807336395.6
2021	1445303710.5
2022	1015851103.1