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 0.5290
1997 0.5400
1998 0.5270
1999 0.5520
2000 0.6100
2001 0.6760
2002 0.7280
2003 0.7600
2004 0.7670
2005 0.7480
2006 0.7020
2007 0.6760
2008 0.6660
2009 0.6760
2010 0.7090
2011 0.7280
2012 0.7410
2013 0.7350
2014 0.7000
2015 0.6500
2016 0.6350
2017 0.6370
2018 0.6600
2019 0.6890
2020 0.7020
2021 0.7020
2022 0.6910
2023 0.6660
2024 0.6390
2025 0.6080
2026 0.5780
2027 0.5510
2028 0.5240
2029 0.5000
2030 0.4790
2031 0.4570
2032 0.4400
2033 0.4160
2034 0.3980
2035 0.3790
2036 0.3630
2037 0.3470
2038 0.3320
2039 0.3190