Year	PPG (TDS, current US$)
1970	397243215.2
1971	385566508.1
1972	475595297.7
1973	524852984.1
1974	645343479.8
1975	723899805.6
1976	623816388.7
1977	760214601.2
1978	873798190.7
1979	1288373539.4
1980	1672420273.8
1981	2599836783.7
1982	3364222536.6000004
1983	3425543288.8
1984	3685808790.6
1985	6082900961.299999
1986	7225000312.4
1987	8604441070.1
1988	10387864150
1989	10764513929.099998
1990	10539360270.4
1991	9574355778.9
1992	9929102119.800001
1993	9554442181.4
1994	12339890207
1995	17707443730.2
1996	17727620417.1
1997	18102621439.8
1998	21557480721.2
1999	16739209494.1
2000	19241691691.8
2001	24975106392.7
2002	22552534628.2
2003	27698369980.3
2004	28569102336.4
2005	47374664114.5
2006	52399647824.9
2007	34206256108
2008	51932922819.5
2009	39954921987.399994
2010	48648626783.09999
2011	43755646292.200005
2012	38210372603.399994
2013	49795013284.100006
2014	76841691789.9
2015	84735369448.99998
2016	80447959605.9
2017	64083201712.6
2018	100448482737.69998
2019	81303188999.59999
2020	103139540961.1
2021	77352315964.00002
2022	86153383274.70001