YEAR PROD
1960 0.3870
1961 0.4360
1962 0.4850
1963 0.5380
1964 0.6240
1965 0.6970
1966 0.7700
1967 0.9510
1968 1.0370
1969 1.2320
1970 1.4030
1971 1.6660
1972 1.8430
1973 2.1520
1974 2.2120
1975 1.9660
1976 2.1610
1977 2.0820
1978 1.9250
1979 1.1590
1980 0.5400
1981 0.4840
1982 0.8800
1983 0.9000
1984 0.7480
1985 0.8100
1986 0.7520
1987 0.8500
1988 0.8520
1989 1.0480
1990 1.1880
1991 1.2780
1992 1.2870
1993 1.3450
1994 1.3470
1995 1.3490
1996 1.3540
1997 1.3610
1998 1.3800
1999 1.4145
2000 1.4605
2001 1.5180
2002 1.5870
2003 1.6560
2004 1.7365
2005 1.8170
2006 1.8630
2007 1.9090
2008 1.9435
2009 1.9780
2010 1.9895
2011 1.9895
2012 1.9780
2013 1.9550
2014 1.9320
2015 1.9090
2016 1.8745
2017 1.8515
2018 1.8400
2019 1.8285
2020 1.8170
2021 1.8055
2022 1.7940
2023 1.7825
2024 1.7595
2025 1.7365
2026 1.7020
2027 1.6560
2028 1.5985
2029 1.5295
2030 1.4605
2031 1.3685
2032 1.2880
2033 1.1960
2034 1.1270
2035 1.0695
2036 1.0120
2037 0.9660
2038 0.9200
2039 0.8855