Year NDJFM_NINO12 1905 0.307417219 1906 0.228410596 1907 -0.429072848 1908 -0.455723684 1909 -0.648344371 1910 -1.090794702 1911 -0.880927152 1912 1.016315789 1913 -0.259072848 1914 0.729006623 1915 0.76013245 1916 -0.912039474 1917 -1.232781457 1918 -0.670728477 1919 0.99205298 1920 0.285723684 1921 -0.385165563 1922 -0.37615894 1923 -0.672913907 1924 -0.513947368 1925 -0.241258278 1926 0.994569536 1927 -0.128344371 1928 -0.226973684 1929 -0.62013245 1930 -0.378278146 1931 1.052450331 1932 0.32875 1933 -0.254900662 1934 -0.397880795 1935 -1.040927152 1936 -0.035921053 1937 -0.258410596 1938 -0.932781457 1939 -0.540066225 1940 0.175789474 1941 0.551523179 1942 0.613642384 1943 -0.38410596 1944 -0.270921053 1945 -0.482980132 1946 -0.282119205 1947 -0.321655629 1948 0.126315789 1949 -0.135761589 1950 -1.045761589 1951 -0.637019868 1952 0.454868421 1953 -0.013642384 1954 -0.335364238 1955 -0.907682119 1956 -0.894276316 1957 -0.354569536 1958 0.990066225 1959 0.17218543 1960 -0.2175 1961 -0.146357616 1962 -0.586357616 1963 -0.58589404 1964 -0.555592105 1965 -0.298278146 1966 0.288609272 1967 -0.667748344 1968 -1.254736842 1969 0.162317881 1970 0.132913907 1971 -1.09807947 1972 -0.102171053 1973 0.936092715 1974 -0.747880795 1975 -0.651721854 1976 -0.829276316 1977 0.094304636 1978 -0.409933775 1979 -0.056490066 1980 -0.109671053 1981 -0.824834437 1982 -0.381523179 1983 2.68615894 1984 -0.134276316 1985 -0.627152318 1986 -0.695231788 1987 0.747748344 1988 0.219934211 1989 -0.468874172 1990 -0.365761589 1991 -0.236622517 1992 0.561118421 1993 0.038741722 1994 -0.412781457 1995 0.371125828 1996 -0.389736842 1997 -0.320596026 1998 3.549271523 1999 -0.048874172 2000 -0.820657895 2001 -0.397350993 2002 -0.538013245 2003 0.177615894 2004 0.006842105 2005 -0.21013245 2006 -0.660331126 2007 0.302781457 2008 -0.843684211 2009 -0.376357616 2010 0.201523179 2011 -0.68615894 2012 -0.303881579 2013 -0.497682119 2014 -0.303642384 2015 -0.007880795 2016 1.665921053 2017 0.546821192