DJF MAM JJA SON 1905 631.987 615.395 618.608 620.299 1906 629.936 621.197 625.939 619.447 1907 627.806 620.843 629.943 620.454 1908 630.799 619.101 622.356 619.182 1909 632.473 621.43 621.788 622.662 1910 629.443 620.161 625.08 618.893 1911 638.11 621.284 617.577 620.187 1912 630.701 620.786 619.825 621.537 1913 629.181 623.869 619.707 620.897 1914 631.267 624.129 618.649 619.757 1915 630.052 624.893 620.803 621.455 1916 632.501 623.137 617.185 619.284 1917 628.741 621.096 622.77 621.346 1918 631.822 623.86 619.091 622.712 1919 630.203 618.438 615.369 620.824 1920 631.147 623.377 624.214 620.067 1921 631.692 622.752 622.605 621.238 1922 635.426 624.198 618.927 619.897 1923 630.734 625.428 624.384 617.951 1924 633.748 623.797 618.491 620.879 1925 636.296 621.984 620.091 619.196 1926 629.176 622.282 622.896 622.614 1927 625.601 625.205 622.836 621.963 1928 633.964 618.922 623.782 624.758 1929 632.688 620.741 621.653 619.893 1930 632.749 618.753 623.086 623.647 1931 632.071 618.111 621.727 622.11 1932 636.459 619.198 623.029 618.248 1933 630.618 623.724 621.097 621.718 1934 630.058 620.723 620.44 621.334 1935 631.627 624.002 625.741 621.64 1936 636.438 621.303 621.903 622.155 1937 632.128 626.288 622.809 620.327 1938 636.942 622.842 621.993 621.767 1939 635.971 619.55 627.935 621.944 1940 627.744 625.045 621.079 621.282 1941 633.899 625.793 619.755 619.408 1942 632.788 622.019 623.575 623.6 1943 630.11 623.293 623.638 622.163 1944 635.571 623.367 616.492 623.061 1945 635.467 627.587 622.562 621.743 1946 634.56 622.51 622.716 623.051 1947 630.352 618.218 624.997 622.781 1948 633.489 625.72 623.995 621.133 1949 634.803 620.918 625.325 621.556 1950 630.865 622.673 622.299 622.098 1951 633.896 625.476 621.107 622.82 1952 631.763 623.585 622.142 624.632 1953 631.243 624.192 620.921 622.443 1954 633.315 624.606 625.677 622.079 1955 633.634 623.429 625.238 623.662 1956 633.511 624.573 624.955 622.191 1957 634.388 625.841 624.682 622.411 1958 629.386 626.032 622.647 619.244 1959 631.941 629.774 623.315 617.894 1960 632.537 622.151 621.66 620.224 1961 629.359 624.483 624.037 619.685 1962 628.629 623.155 623.136 622.44 1963 633.034 622.105 626.1 622.447 1964 636.839 621.585 628.12 621.903 1965 630.892 623.689 619.787 619.873 1966 634.11 626.154 618.89 618.44 1967 633.596 622.826 618.916 621.327 1968 635.239 626.802 620.854 622.375 1969 631.13 622.736 619.729 617.845 1970 633.867 625.03 619.326 621.302 1971 634.918 625.509 621.875 623.904 1972 631.091 626.143 624.889 621.234 1973 629.345 625.334 620.641 620.978 1974 633.238 620.715 625.639 622.187 1975 632.896 626.241 623.885 622.001 1976 636.844 621.994 623.449 621.14 1977 629.642 625.275 624.334 620.229 1978 632.121 622.832 621.818 619.014 1979 633.914 623.22 619.604 621.849 1980 631.613 623.794 622.303 623.961 1981 631.987 624.349 626.971 621.748 1982 634.098 621.826 616.876 619.883 1983 633.923 625.156 621.092 620.349 1984 633.693 623.787 622.534 620.402 1985 633.952 622.534 620.932 619.902 1986 632.04 624.584 619.742 622.007 1987 630.133 624.184 620.368 621.777 1988 630.371 622.495 625.368 624.832 1989 629.828 620.298 618.928 622.06 1990 634.269 626.349 621.307 621.052 1991 632.823 624.625 626.219 623.807 1992 632.885 624.312 624.352 619.752 1993 629.582 622.917 616.981 620.115 1994 628.277 623.37 619.995 622.879 1995 629.944 623.616 627.111 623.314 1996 631.281 621.403 629.678 624.666 1997 629.116 622.216 618.507 622.069 1998 628.249 621.417 618.316 622.53 1999 628.319 620.456 621.678 621.737 2000 634.99 619.843 620.412 623.92 2001 631.567 622.874 621.568 620.167 2002 630.673 626.94 620.994 622.85 2003 634.274 621.782 622.349 622.629 2004 632.414 620.124 619.933 620.954 2005 634.132 622.17 620.417 625.724 2006 631.094 622.819 621.664 618.878 2007 627.926 623.474 625.857 621.548 2008 630.054 624.829 619.885 619.533 2009 632.27 624.723 622.929 623.391 2010 631.037 620.978 613.309 621.709 2011 621.305 628.104 623.662