Year	PPG (TDS, current US$)
1970	28627000
1971	30040000
1972	45460000
1973	24361000
1974	32577000
1975	19538000
1976	23162000
1977	24455000
1978	34917000
1979	44574000
1980	52663000
1981	66713000
1982	110179000
1983	154339353.2
1984	204839010.9
1985	268122877.3
1986	319145430.7
1987	324375767.6
1988	328247533.8
1989	269716345.6
1990	197004380
1991	290027594.9
1992	468231241.9
1993	256478993.1
1994	276224936.4
1995	310033580.9
1996	322084207.7
1997	303040573
1998	294522317.7
1999	305241308.4
2000	305765121.8
2001	347377970.8
2002	365626750.5
2003	410572148.8
2004	488886714.1
2005	402967375.5
2006	472176072.5
2007	609308716.1
2008	516988368.6
2009	527240587.3
2010	547726537.1
2011	887917223.3
2012	548058891.9
2013	871173016.4
2014	591189316.7
2015	637951447.9
2016	705256987.1
2017	833218888.7
2018	609342356.5
2019	802503267.1
2020	1060441938.2
2021	888809951.5
2022	1595396192.4