MOVING AVERAGE(10YEAR)

 1919    3.10
 1920    3.05
 1921    3.02
 1922    2.97
 1923    2.93
 1924    2.95
 1925    2.92
 1926    2.88
 1927    2.81
 1928    2.74
 1929    2.74
 1930    2.74
 1931    2.73
 1932    2.73
 1933    2.72
 1934    2.75
 1935    2.73
 1936    2.78
 1937    2.79
 1938    2.79
 1939    2.78
 1940    2.76
 1941    2.71
 1942    2.68
 1943    2.66
 1944    2.62
 1945    2.62
 1946    2.51
 1947    2.52
 1948    2.53
 1949    2.53
 1950    2.57
 1951    2.63
 1952    2.68
 1953    2.70
 1954    2.76
 1955    2.81
 1956    2.96
 1957    3.03
 1958    3.08
 1959    3.12
 1960    3.13
 1961    3.10
 1962    3.13
 1963    3.15
 1964    3.13
 1965    3.13
 1966    3.06
 1967    3.04
 1968    3.05
 1969    3.09
 1970    3.12
 1971    3.18
 1972    3.18
 1973    3.18
 1974    3.21
 1975    3.18
 1976    3.25
 1977    3.22
 1978    3.18
 1979    3.14
 1980    3.11
 1981    3.08
 1982    3.05
 1983    3.03
 1984    3.04
 1985    3.08
 1986    3.03
 1987    3.01
 1988    3.02
 1989    3.01
 1990    2.96
 1991    2.99
 1992    3.07
 1993    3.11
 1994    3.00