The following list of data shows the format of the 14C data file. Each line has a 4 digit year followed by white space and a 14C data value. For more information on 14C labeling, see Labeled Carbon (14C and 13C).
1950 1.0
1951 1.0
1952 1.0
1953 1.0
1954 1.0
1955 1.0
1956 1.06
1957 1.11
1958 1.19
1959 1.32
1960 1.29
1961 1.23
1962 1.41
1963 1.95
1964 1.99
1965 1.79
1966 1.74
1967 1.65
1968 1.60
1969 1.54
1970 1.54
1971 1.53
1972 1.50
1973 1.46
1974 1.42
1975 1.40
1976 1.40
1977 1.36
1978 1.32
1979 1.31
1980 1.30
1981 1.30
1982 1.30
1983 1.30
1984 1.30
1985 1.30
1986 1.30
1987 1.30
1988 1.30
1989 1.30
1990 1.30
1991 1.30
1992 1.30
1993 1.30
1994 1.30
1995 1.30
1996 1.30
1997 1.30
1998 1.30
1999 1.30
2000 1.30