YEAR PROD
1960 0.0280
1961 0.0350
1962 0.0400
1963 0.0450
1964 0.0490
1965 0.0730
1966 0.0910
1967 0.0800
1968 0.1110
1969 0.1500
1970 0.2060
1971 0.2680
1972 0.3080
1973 0.4020
1974 0.4820
1975 0.5440
1976 0.6110
1977 0.6860
1978 0.7630
1979 0.7770
1980 0.7760
1981 0.7430
1982 0.7480
1983 0.7790
1984 0.8360
1985 0.9140
1986 0.9560
1987 0.9820
1988 1.0000
1989 1.0070
1990 1.0130
1991 1.0330
1992 1.0370
1993 1.0550
1994 1.0690
1995 1.0910
1996 1.1570
1997 1.1720
1998 1.1700
1999 1.1865
2000 1.1985
2001 1.2058
2002 1.2073
2003 1.2063
2004 1.2033
2005 1.1980
2006 1.1925
2007 1.1858
2008 1.1780
2009 1.1679
2010 1.1567
2011 1.1437
2012 1.1299
2013 1.1134
2014 1.0979
2015 1.0797
2016 1.0633
2017 1.0434
2018 1.0220
2019 1.0020
2020 0.9750
2021 0.9490
2022 0.9180
2023 0.8860
2024 0.8520
2025 0.8190
2026 0.7830
2027 0.7490
2028 0.7150
2029 0.6810
2030 0.6460
2031 0.6150
2032 0.5856
2033 0.5562
2034 0.5268
2035 0.4995
2036 0.4722
2037 0.4470
2038 0.4218
2039 0.3966