YEAR PROD
1960 0.5913
1961 0.6004
1962 0.6680
1963 0.7045
1964 0.7720
1965 0.7921
1966 0.8304
1967 0.8359
1968 0.8833
1969 0.9563
1970 1.0165
1971 1.0859
1972 1.1151
1973 1.0257
1974 0.8505
1975 0.6880
1976 0.7172
1977 0.6698
1978 0.7099
1979 0.8286
1980 0.5220
1981 0.3522
1982 0.2573
1983 0.3851
1984 0.4490
1985 0.4106
1986 0.4982
1987 0.3906
1988 0.5439
1989 0.5804
1990 0.6114
1991 0.6424
1992 0.6734
1993 0.7045
1994 0.7647
1995 0.7683
1996 0.7592
1997 0.7647
1998 0.7920
1999 0.8820
2000 1.0350
2001 1.1970
2002 1.3410
2003 1.4220
2004 1.4670
2005 1.5030
2006 1.5210
2007 1.5300
2008 1.5300
2009 1.5390
2010 1.5390
2011 1.5570
2012 1.5840
2013 1.6020
2014 1.6380
2015 1.6650
2016 1.6830
2017 1.7010
2018 1.7100
2019 1.7010
2020 1.6920
2021 1.6830
2022 1.6740
2023 1.6650
2024 1.6470
2025 1.6300
2026 1.6110
2027 1.5840
2028 1.5570
2029 1.5300
2030 1.4940
2031 1.4670
2032 1.4220
2033 1.3680
2034 1.3140
2035 1.2600
2036 1.2060
2037 1.1430
2038 1.0800
2039 1.0170