YEAR PROD
1960 1.0550
1961 1.0660
1962 1.1770
1963 1.1940
1964 1.2390
1965 1.2790
1966 1.2430
1967 1.3070
1968 1.3300
1969 1.3250
1970 1.3720
1971 1.3210
1972 1.2060
1973 1.2630
1974 1.1190
1975 0.8850
1976 0.8670
1977 0.8450
1978 0.8160
1979 0.8850
1980 0.8160
1981 0.7960
1982 0.7140
1983 0.6750
1984 0.6770
1985 0.6370
1986 0.6880
1987 0.6970
1988 0.7300
1989 0.7340
1990 0.8190
1991 0.9130
1992 0.9130
1993 0.9450
1994 1.0040
1995 1.0800
1996 1.1440
1997 1.2280
1998 1.3040
1999 1.3520
2000 1.3840
2001 1.4160
2002 1.4400
2003 1.4560
2004 1.4640
2005 1.4720
2006 1.4640
2007 1.4560
2008 1.4400
2009 1.4240
2010 1.4000
2011 1.3920
2012 1.3840
2013 1.3760
2014 1.3840
2015 1.3840
2016 1.3920
2017 1.4000
2018 1.4160
2019 1.4240
2020 1.4320
2021 1.4240
2022 1.4160
2023 1.4000
2024 1.3920
2025 1.3760
2026 1.3520
2027 1.3200
2028 1.2800
2029 1.2320
2030 1.1840
2031 1.1280
2032 1.0880
2033 1.0480
2034 1.0080
2035 0.9680
2036 0.9280
2037 0.8960
2038 0.8560
2039 0.8240