Year	PPG (TDS, current US$)
1976	1523000
1977	16709000
1978	28898000
1979	57958000
1980	1156136903.7
1981	1634737692.6
1982	2672441479.9
1983	1660158647
1984	1848847670.6
1985	1755828223
1986	1626504075.5
1987	2093344960.8
1988	3762002094.5
1989	1729999000
1991	16874000
1992	95886355.4
1993	193543142.6
1994	395021036.2
1995	396197908.5
1996	2026933908.8
1997	1917764612.6
1998	1911277514.2
1999	1903206519.5
2000	1423574394.1
2001	1678773945.9
2002	1822191672.5
2003	1993902280.6
2004	2133547327.5
2005	2369335945.4
2006	2143068709
2007	2274187708.4
2008	3443802373.4
2009	2163781659.3
2010	2767517986.7
2011	2025196234.3
2012	3160748864.6
2013	2495994694.6
2014	2560573295.6
2015	6044331119
2016	4022114826.5
2017	3570685234.3
2018	5963114945.3
2019	4883133672.5
2020	4411695158.6
2021	2573747717.5
2022	5225992565.3