YEAR PROD
1960 1.0840
1961 1.2190
1962 1.3650
1963 1.5130
1964 1.6370
1965 1.7830
1966 1.9470
1967 2.1150
1968 2.2590
1969 2.4250
1970 2.6080
1971 2.7850
1972 2.9580
1973 3.1700
1974 3.3910
1975 3.6260
1976 3.8400
1977 4.0350
1978 4.2320
1979 4.3330
1980 4.4580
1981 4.5000
1982 4.5170
1983 4.5440
1984 4.4880
1985 4.3930
1986 4.5390
1987 4.6190
1988 4.5970
1989 4.4900
1990 4.2210
1991 3.8230
1992 3.3400
1993 2.9930
1994 2.6990
1995 2.6650
1996 2.6350
1997 2.7010
1998 2.8000
1999 2.8750
2000 2.9500
2001 3.0250
2002 3.1000
2003 3.1750
2004 3.2250
2005 3.2750
2006 3.3250
2007 3.3500
2008 3.3750
2009 3.4000
2010 3.3750
2011 3.3500
2012 3.3250
2013 3.3000
2014 3.2750
2015 3.2250
2016 3.1500
2017 3.1000
2018 3.0500
2019 2.9750
2020 2.9000
2021 2.8250
2022 2.7500
2023 2.6750
2024 2.6000
2025 2.5000
2026 2.4000
2027 2.3250
2028 2.2500
2029 2.1500
2030 2.0750
2031 2.0000
2032 1.9000
2033 1.8250
2034 1.7500
2035 1.6750
2036 1.6000
2037 1.5500
2038 1.4750
2039 1.4250