Link to Series in Level 1 Subscription Site
Link to Series in Level 2 Subscription Site
Link to Series in Level 0 Subscription Site
1950 01 323·4
1951 01 453·9
1952 01 224.1
1953 01 224.4
1954 01 284·6
1955 01 265·0
1956 01 35.5
1957 01 756.1
1958 01 416·6
1959 01 567·2
1960 01 358·1
1961 01 779·1
1962 01 2010.3
1963 01 1611.0
1964 01 3011·9
1965 01 7213.1
1966 01 4214·2
1967 01 1315·0
1968 01 2816·1
1969 01 2817.6
1970 01 620·7
1971 01 7823.2
1972 01 9025.6
1973 01 4129·0
1974 01 3833.0
1975 01 6836·4
1976 01 439·1
1977 01 2942.8
1978 01 8845.9
1979 01 6549.3
1980 01 8453.6
1981 01 3657·0
1982 01 3260·4
1983 01 7563.1
1984 01 6766·0
1985 01 3270.0
1986 01 7072.8
1987 01 3076·0
1988 01 1679.1
1989 01 1183.2
1990 01 2789·4
1991 01 8795.1
1992 01 19100.0
1993 01 91105.9
1994 01 54111.7
1995 01 27117.7
1996 01 90123·7
1997 01 17126.6
1998 01 27127.6
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