********************************************************************************
*           								       *
*	Source:	B.F. Findlay, D.W. Gullett, L. Malone, J. Reycraft, 	       *
*		W.R. Skinner, L. Vincent, and R. Whitewood		       *
*		Atmospheric Environment Service				       *
*		Downsview, Ontario, Canada M3H 5T4			       *
*									       *
********************************************************************************
1948 -1.3
1949  0.2
1950  0.0
1951  1.2
1952  0.5
1953  1.1
1954  0.1
1955 -0.7
1956 -1.2
1957 -0.1
1958 -0.2
1959 -0.2
1960 -0.1
1961 -0.1
1962 -0.1
1963 -0.3
1964 -0.5
1965 -0.1
1966 -0.3
1967 -0.5
1968  1.1
1969 -0.2
1970  0.2
1971 -0.3
1972 -0.3
1973  0.3
1974 -0.4
1975 -0.3
1976 -0.1
1977  0.2
1978  0.7
1979  1.1
1980  0.2
1981  0.7
1982  0.5
1983 -0.2
1984  0.6
1985  0.1
1986 -0.1
1987 -0.3
1988 -0.3
1989  0.8
1990 -0.2
1991  0.4
1992  0.3