Year,Value,Alaska (State),H500,Jul,(m) 1940,5528.609 1941,5468.678 1942,5491.057 1943,5466.078 1944,5532.659 1945,5480.634 1946,5496.177 1947,5495.692 1948,5461.651 1949,5496.664 1950,5504.192 1951,5527.747 1952,5508.539 1953,5525.333 1954,5475.732 1955,5499.604 1956,5525.302 1957,5496.99 1958,5479.652 1959,5420.215 1960,5487.189 1961,5482.14 1962,5538.752 1963,5474.056 1964,5461.722 1965,5494.459 1966,5496.768 1967,5486.075 1968,5520.19 1969,5460.441 1970,5449.338 1971,5504.611 1972,5552.333 1973,5469.746 1974,5482.232 1975,5504.233 1976,5471.109 1977,5505.469 1978,5506.922 1979,5512.753 1980,5484.647 1981,5476.308 1982,5499.746 1983,5488.183 1984,5492.215 1985,5535.849 1986,5529.697 1987,5524.441 1988,5520.545 1989,5532.181 1990,5522.974 1991,5487.556 1992,5518.35 1993,5559.495 1994,5505.024 1995,5506.724 1996,5507.968 1997,5504.304 1998,5512.115 1999,5522.876 2000,5471.644 2001,5483.423 2002,5498.964 2003,5504.93 2004,5532.435 2005,5476.534 2006,5488.727 2007,5510.442 2008,5453.751 2009,5553.272 2010,5485.035 2011,5455.152 2012,5484.975 2013,5551.284 2014,5500.807 2015,5487.664 2016,5526.104 2017,5547.718 2018,5549.663 2019,5560.625 2020,5500.339 2021,5525.046 2022,5481.733 2023,5561.217 2024,5503.768 2025,5540.161