Northwest CEI (All Steps Combined) Annual (January-December) 1910-2018
Date,Actual Percent
1910 9.40
1911 34.98
1912 32.64
1913 33.66
1914 7.94
1915 3.30
1916 47.94
1917 17.44
1918 5.24
1919 37.86
1920 21.30
1921 9.46
1922 39.02
1923 13.02
1924 23.44
1925 16.30
1926 21.16
1927 14.00
1928 10.98
1929 52.72
1930 28.94
1931 17.42
1932 14.76
1933 20.78
1934 55.98
1935 31.64
1936 21.14
1937 22.96
1938 2.40
1939 26.72
1940 29.14
1941 16.60
1942 13.64
1943 13.30
1944 13.86
1945 7.44
1946 3.98
1947 4.14
1948 52.70
1949 25.02
1950 17.96
1951 13.36
1952 18.72
1953 18.22
1954 12.54
1955 38.84
1956 12.88
1957 6.80
1958 29.44
1959 16.06
1960 0.92
1961 7.28
1962 5.52
1963 5.98
1964 27.84
1965 16.48
1966 12.26
1967 8.42
1968 7.44
1969 3.12
1970 10.76
1971 20.64
1972 7.20
1973 0.74
1974 11.46
1975 26.88
1976 7.74
1977 11.34
1978 1.74
1979 5.00
1980 17.52
1981 26.54
1982 32.44
1983 37.78
1984 42.46
1985 36.10
1986 4.14
1987 34.58
1988 14.24
1989 0.14
1990 15.46
1991 6.44
1992 41.96
1993 14.08
1994 12.68
1995 32.02
1996 44.20
1997 25.92
1998 45.18
1999 8.30
2000 2.00
2001 19.58
2002 14.36
2003 35.70
2004 17.68
2005 8.38
2006 18.96
2007 20.56
2008 3.08
2009 7.40
2010 21.18
2011 12.38
2012 29.64
2013 7.92
2014 33.56
2015 71.92
2016 32.18
2017 19.12
2018 20.32