YEAR PROD
1960 0.5910
1961 0.6000
1962 0.6680
1963 0.7040
1964 0.7720
1965 0.7920
1966 0.8300
1967 0.8360
1968 0.8830
1969 0.9560
1970 1.0170
1971 1.0860
1972 1.1150
1973 1.0260
1974 0.8500
1975 0.6880
1976 0.7170
1977 0.6700
1978 0.7100
1979 0.8290
1980 0.5220
1981 0.3520
1982 0.2570
1983 0.3850
1984 0.4490
1985 0.4110
1986 0.4980
1987 0.3910
1988 0.5440
1989 0.5800
1990 0.4620
1991 0.0730
1992 0.4000
1993 0.7100
1994 0.7670
1995 0.7790
1996 0.7790
1997 0.7790
1998 0.7960
1999 0.8850
2000 1.0350
2001 1.2120
2002 1.3320
2003 1.4100
2004 1.4670
2005 1.5040
2006 1.5240
2007 1.5370
2008 1.5450
2009 1.5500
2010 1.5560
2011 1.5650
2012 1.5740
2013 1.5860
2014 1.5980
2015 1.6100
2016 1.6180
2017 1.6200
2018 1.6190
2019 1.6160
2020 1.6120
2021 1.6070
2022 1.6020
2023 1.5960
2024 1.5910
2025 1.5850
2026 1.5750
2027 1.5690
2028 1.5580
2029 1.5490
2030 1.5380
2031 1.5270
2032 1.5150
2033 1.5030
2034 1.4900
2035 1.4780
2036 1.4640
2037 1.4490
2038 1.4360
2039 1.4230