YEAR PROD
1960 0.0000
1961 0.0070
1962 0.0680
1963 0.1700
1964 0.3140
1965 0.4470
1966 0.5490
1967 0.6370
1968 0.9510
1969 1.1350
1970 1.2120
1971 1.0090
1972 0.8180
1973 0.7960
1974 0.5550
1975 0.5400
1976 0.7040
1977 0.7540
1978 0.7250
1979 0.7630
1980 0.6680
1981 0.4450
1982 0.4290
1983 0.4050
1984 0.3720
1985 0.3870
1986 0.3890
1987 0.3670
1988 0.3870
1989 0.4250
1990 0.5220
1991 0.5620
1992 0.5380
1993 0.5110
1994 0.5220
1995 0.5260
1996 0.5260
1997 0.5350
1998 0.5590
1999 0.5850
2000 0.6435
2001 0.6955
2002 0.7475
2003 0.7800
2004 0.8060
2005 0.8125
2006 0.8200
2007 0.8255
2008 0.8200
2009 0.8140
2010 0.8080
2011 0.7995
2012 0.7865
2013 0.7780
2014 0.7670
2015 0.7540
2016 0.7475
2017 0.7410
2018 0.7345
2019 0.7215
2020 0.7085
2021 0.6825
2022 0.6565
2023 0.6240
2024 0.5915
2025 0.5590
2026 0.5330
2027 0.5070
2028 0.4810
2029 0.4550
2030 0.4290
2031 0.4095
2032 0.3835
2033 0.3640
2034 0.3445
2035 0.3315
2036 0.3185
2037 0.3055
2038 0.2925
2039 0.2795