Contiguous U.S. CEI (All Steps Combined) Fall (September-November) 1910-2018
Date Actual Percent
1910 20.96
1911 24.50
1912 21.08
1913 9.62
1914 16.88
1915 17.66
1916 23.72
1917 29.60
1918 10.42
1919 29.80
1920 12.26
1921 17.74
1922 14.16
1923 18.16
1924 16.96
1925 19.56
1926 14.86
1927 23.28
1928 9.20
1929 24.62
1930 16.20
1931 35.48
1932 19.60
1933 26.08
1934 17.00
1935 11.40
1936 20.42
1937 21.34
1938 17.32
1939 21.30
1940 11.98
1941 29.44
1942 9.74
1943 19.56
1944 7.86
1945 10.58
1946 21.30
1947 12.18
1948 13.24
1949 6.72
1950 18.86
1951 20.68
1952 31.30
1953 33.36
1954 20.90
1955 14.86
1956 20.02
1957 22.22
1958 10.08
1959 21.62
1960 6.52
1961 21.04
1962 11.20
1963 36.48
1964 13.32
1965 11.62
1966 7.34
1967 17.04
1968 7.76
1969 7.00
1970 12.60
1971 17.90
1972 24.88
1973 23.12
1974 17.12
1975 10.30
1976 34.56
1977 14.48
1978 10.92
1979 16.02
1980 8.84
1981 11.42
1982 15.28
1983 18.68
1984 18.00
1985 39.08
1986 23.08
1987 15.42
1988 13.22
1989 13.00
1990 15.70
1991 15.32
1992 11.88
1993 24.10
1994 11.60
1995 21.50
1996 22.00
1997 10.64
1998 33.12
1999 27.70
2000 8.58
2001 24.04
2002 16.32
2003 16.36
2004 26.28
2005 22.94
2006 10.58
2007 22.84
2008 16.50
2009 16.94
2010 16.00
2011 17.94
2012 23.18
2013 9.94
2014 17.44
2015 36.40
2016 42.44
2017 19.18
2018 27.88