YEAR PROD
1960 0.0281
1961 0.0348
1962 0.0403
1963 0.0449
1964 0.0487
1965 0.0730
1966 0.0913
1967 0.0803
1968 0.1113
1969 0.1497
1970 0.2062
1971 0.2683
1972 0.3084
1973 0.4015
1974 0.4818
1975 0.5439
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 1.1900
1999 1.2040
2000 1.2180
2001 1.2250
2002 1.2320
2003 1.2250
2004 1.2180
2005 1.2110
2006 1.2040
2007 1.1970
2008 1.1900
2009 1.1830
2010 1.1690
2011 1.1550
2012 1.1410
2013 1.1270
2014 1.1060
2015 1.0850
2016 1.0640
2017 1.0430
2018 1.0220
2019 0.9940
2020 0.9730
2021 0.9380
2022 0.9100
2023 0.8750
2024 0.8470
2025 0.8120
2026 0.7770
2027 0.7420
2028 0.7070
2029 0.6790
2030 0.6440
2031 0.6160
2032 0.5880
2033 0.5670
2034 0.5460
2035 0.5250
2036 0.5110
2037 0.4970
2038 0.4830
2039 0.4690