YEAR PROD
1960 2.9070
1961 2.9840
1962 3.0480
1963 3.1540
1964 3.2010
1965 3.2900
1966 3.4970
1967 3.7300
1968 3.8690
1969 3.9530
1970 4.1230
1971 4.0730
1972 4.0830
1973 3.9970
1974 3.8270
1975 3.6540
1976 3.5530
1977 3.6010
1978 3.7500
1979 3.6990
1980 3.7120
1981 3.7160
1982 3.7230
1983 3.7390
1984 3.8360
1985 3.8620
1986 3.7340
1987 3.6300
1988 3.5640
1989 3.3430
1990 3.2540
1991 3.3120
1992 3.2380
1993 3.1340
1994 3.0620
1995 3.0370
1996 3.0280
1997 3.0130
1998 3.0030
1999 2.9820
2000 2.9610
2001 2.9400
2002 2.8770
2003 2.8350
2004 2.7720
2005 2.6900
2006 2.6250
2007 2.5200
2008 2.4150
2009 2.2890
2010 2.1600
2011 2.0580
2012 1.9320
2013 1.8060
2014 1.7010
2015 1.6000
2016 1.5120
2017 1.4280
2018 1.3440
2019 1.2600
2020 1.1800
2021 1.1340
2022 1.0710
2023 1.0080
2024 0.9450
2025 0.9000
2026 0.8400
2027 0.7980
2028 0.7560
2029 0.7140
2030 0.6900
2031 0.6510
2032 0.6090
2033 0.5880
2034 0.5670
2035 0.5300
2036 0.5250
2037 0.4830
2038 0.4620
2039 0.4410
2040 0.4200