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 1.3520
1997 1.3600
1998 1.3870
1999 1.4260
2000 1.4720
2001 1.5300
2002 1.5970
2003 1.6680
2004 1.7440
2005 1.8170
2006 1.8750
2007 1.9300
2008 1.9770
2009 2.0100
2010 2.0280
2011 2.0350
2012 2.0350
2013 2.0240
2014 2.0010
2015 1.9770
2016 1.9510
2017 1.9260
2018 1.8980
2019 1.8780
2020 1.8570
2021 1.8380
2022 1.8170
2023 1.8050
2024 1.7940
2025 1.7880
2026 1.7760
2027 1.7600
2028 1.7420
2029 1.7180
2030 1.6890
2031 1.6520
2032 1.6100
2033 1.5640
2034 1.5210
2035 1.4700
2036 1.4160
2037 1.3650
2038 1.3140
2039 1.2600