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 4.4880
1990 4.2230
1991 3.8250
1992 3.3400
1993 2.9930
1994 2.6990
1995 2.6650
1996 2.6170
1997 2.6810
1998 2.6860
1999 2.7270
2000 2.8240
2001 2.9570
2002 3.0900
2003 3.1880
2004 3.2650
2005 3.3250
2006 3.3700
2007 3.3910
2008 3.4090
2009 3.4150
2010 3.4090
2011 3.3960
2012 3.3700
2013 3.3380
2014 3.2860
2015 3.2340
2016 3.1750
2017 3.1040
2018 3.0340
2019 2.9740
2020 2.8960
2021 2.8150
2022 2.7350
2023 2.6550
2024 2.5650
2025 2.4750
2026 2.3850
2027 2.2900
2028 2.2000
2029 2.1050
2030 2.0150
2031 1.9250
2032 1.8400
2033 1.7600
2034 1.6850
2035 1.6150
2036 1.5530
2037 1.4930
2038 1.4430
2039 1.3940