Year	PPG (TDS, current US$)
1970	13161000
1971	20032000
1972	19029000
1973	32515000
1974	36672000
1975	53005000
1976	59975414.6
1977	73837933.5
1978	92565318.8
1979	251019450.4
1980	158474469.1
1981	233909776.1
1982	260750539.1
1983	226119761.5
1984	169533482.2
1985	206740796.5
1986	278265181.9
1987	186236819.5
1988	245120058.2
1989	188597419.2
1990	145460550
1991	182865056.1
1992	294692128.2
1993	273144976.7
1994	457536287.6
1995	334379508.1
1996	345545449.3
1997	367471352.3
1998	319447205.3
1999	339461422.7
2000	475028775.7
2001	576785364.4
2002	571796412.5
2003	661597441.8
2004	757787152.3
2005	673752690.9
2006	1191523710.2
2007	1220624939.5
2008	1162238582.7
2009	1220313987.8
2010	1134565878.9
2011	1261314934.6
2012	1073413722.9
2013	1415186684.4
2014	1799854090.1
2015	3531440214.4
2016	1783270846.7
2017	1523551845
2018	1720196251.9
2019	1974218436.2
2020	4204345105.4
2021	2216651648.6
2022	3161708843.6