Compiled from various sources and standardised Year JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ---------------------------------------------------------------------------- 1915 4.1 4.2 4.2 4.2 4.3 4.5 4.5 4.5 4.5 4.7 4.8 4.9 1916 4.9 4.9 5.0 5.0 5.1 5.2 5.3 5.3 5.4 5.5 5.8 6.0 1917 6.0 6.0 6.1 6.2 6.3 6.4 6.5 6.5 6.6 6.4 6.7 6.7 1918 6.8 6.9 6.9 7.0 7.1 7.2 7.3 7.6 7.6 7.9 8.0 7.9 1919 7.9 7.9 7.8 7.6 7.4 7.4 7.5 7.8 7.8 7.9 8.1 8.1 1920 8.1 8.3 8.3 8.4 8.7 9.0 9.1 9.2 9.4 9.5 10.0 9.7 1921 9.6 9.1 8.7 8.4 8.2 7.9 7.9 8.0 7.9 7.6 7.3 7.2 1922 6.9 6.8 6.7 6.6 6.5 6.5 6.6 6.5 6.5 6.4 6.5 6.5 1923 6.4 6.4 6.4 6.3 6.1 6.1 6.1 6.2 6.2 6.3 6.3 6.4 1924 6.4 6.5 6.4 6.2 6.2 6.1 6.1 6.2 6.2 6.4 6.5 6.5 1925 6.5 6.5 6.5 6.3 6.2 6.2 6.2 6.2 6.3 6.4 6.4 6.4 1926 6.3 6.2 6.2 6.1 6.0 6.1 6.1 6.1 6.2 6.3 6.5 6.5 1927 6.3 6.2 6.2 6.0 5.9 5.9 6.0 5.9 6.0 6.0 6.1 6.1 1928 6.1 6.0 5.9 5.9 5.9 6.0 6.0 6.0 6.0 6.0 6.0 6.1 1929 6.0 6.0 6.0 5.9 5.8 5.8 5.8 5.9 5.9 6.0 6.0 6.0 1930 6.0 5.9 5.8 5.7 5.6 5.6 5.6 5.7 5.7 5.6 5.7 5.6 1931 5.5 5.5 5.4 5.3 5.3 5.2 5.3 5.2 5.2 5.2 5.3 5.3 1932 5.3 5.3 5.3 5.2 5.2 5.1 5.2 5.1 5.1 5.2 5.2 5.2 1933 5.1 5.1 5.0 4.9 4.9 4.9 5.0 5.0 5.1 5.1 5.2 5.2 1934 5.1 5.1 5.1 5.0 4.9 5.0 5.1 5.1 5.2 5.2 5.2 5.2 1935 5.2 5.1 5.1 5.0 5.0 5.1 5.2 5.2 5.2 5.2 5.3 5.3 1936 5.3 5.3 5.3 5.2 5.2 5.2 5.3 5.3 5.3 5.3 5.5 5.5 1937 5.5 5.5 5.5 5.5 5.5 5.5 5.6 5.6 5.6 5.7 5.8 5.8 1938 5.7 5.7 5.6 5.6 5.6 5.6 5.7 5.6 5.6 5.6 5.6 5.6 1939 5.6 5.6 5.5 5.5 5.5 5.5 5.6 5.6 5.6 6.0 6.1 6.2 1940 6.3 6.4 6.5 6.4 6.5 6.5 6.8 6.7 6.8 6.8 6.9 7.0 1941 7.1 7.1 7.1 7.2 7.2 7.2 7.2 7.2 7.2 7.2 7.2 7.3 1942 7.2 7.2 7.2 7.2 7.2 7.2 7.2 7.3 7.2 7.2 7.2 7.2 1943 7.2 7.2 7.2 7.2 7.2 7.2 7.2 7.2 7.2 7.2 7.2 7.2 1944 7.2 7.2 7.2 7.2 7.2 7.2 7.3 7.3 7.3 7.3 7.3 7.3 1945 7.3 7.3 7.3 7.3 7.3 7.4 7.5 7.4 7.3 7.3 7.3 7.3 1946 7.3 7.3 7.3 7.3 7.4 7.3 7.4 7.4 7.3 7.3 7.3 7.4 1947 7.4 7.3 7.4 7.3 7.3 7.3 7.4 7.3 7.4 7.4 7.6 7.6 1948 7.6 7.8 7.8 7.9 7.9 8.0 7.9 7.9 7.9 7.9 8.0 8.0 1949 8.0 8.0 8.0 8.0 8.1 8.1 8.2 8.2 8.2 8.2 8.2 8.3 1950 8.3 8.3 8.3 8.3 8.4 8.3 8.3 8.3 8.3 8.4 8.5 8.5 1951 8.6 8.7 8.7 8.9 9.1 9.1 9.3 9.3 9.4 9.4 9.5 9.5 1952 9.7 9.7 9.8 9.9 9.9 10.1 10.1 10.0 10.0 10.1 10.1 10.2 1953 10.1 10.2 10.2 10.3 10.3 10.4 10.4 10.3 10.3 10.3 10.3 10.3 1954 10.3 10.3 10.4 10.4 10.4 10.4 10.6 10.5 10.5 10.6 10.6 10.7 1955 10.7 10.7 10.7 10.8 10.7 11.0 11.0 10.9 11.0 11.1 11.3 11.3 1956 11.2 11.2 11.4 11.6 11.5 11.5 11.5 11.5 11.5 11.6 11.6 11.6 1957 11.7 11.7 11.7 11.8 11.8 11.9 12.0 12.0 11.9 12.0 12.1 12.2 1958 12.2 12.1 12.2 12.3 12.3 12.4 12.2 12.2 12.2 12.3 12.4 12.4 1959 12.4 12.4 12.4 12.3 12.3 12.3 12.3 12.3 12.2 12.3 12.4 12.4 1960 12.36 12.36 12.34 12.41 12.41 12.47 12.50 12.42 12.43 12.53 12.59 12.62 1961 12.63 12.63 12.68 12.74 12.78 12.89 12.89 13.01 12.99 13.01 13.15 13.17 1962 13.22 13.23 13.28 13.47 13.51 13.60 13.55 13.43 13.41 13.40 13.45 13.52 1963 13.57 13.69 13.71 13.74 13.73 13.73 13.65 13.61 13.65 13.71 13.74 13.77 1964 13.84 13.85 13.90 14.02 14.14 14.19 14.19 14.25 14.25 14.26 14.38 14.43 1965 14.47 14.47 14.52 14.80 14.85 14.89 14.89 14.92 14.93 14.95 15.01 15.08 1966 15.11 15.12 15.15 15.33 15.44 15.48 15.41 15.50 15.48 15.52 15.61 15.63 1967 15.66 15.67 15.67 15.79 15.78 15.85 15.75 15.71 15.70 15.82 15.91 16.02 1968 16.07 16.15 16.20 16.49 16.51 16.57 16.59 16.61 16.63 16.71 16.74 16.97 1969 17.06 17.15 17.22 17.41 17.38 17.46 17.46 17.42 17.47 17.60 17.64 17.76 1970 17.91 18.00 18.11 18.38 18.44 18.49 18.62 18.61 18.70 18.90 19.03 19.16 1971 19.43 19.53 19.69 20.11 20.25 20.39 20.51 20.52 20.55 20.67 20.79 20.89 1972 21.01 21.12 21.19 21.38 21.49 21.63 21.70 21.87 21.99 22.30 22.37 22.49 1973 22.64 22.78 22.92 23.35 23.52 23.64 23.75 23.82 24.03 24.50 24.69 24.87 1974 25.35 25.78 26.01 26.89 27.27 27.55 27.81 27.83 28.14 28.69 29.20 29.63 1975 30.39 30.90 31.51 32.72 34.09 34.75 35.11 35.31 35.61 36.12 36.55 37.01 1976 37.49 37.97 38.17 38.91 39.34 39.54 39.62 40.18 40.71 41.44 42.03 42.59 1977 43.70 44.13 44.56 45.70 46.06 46.54 46.59 46.82 47.07 47.27 47.50 47.76 1978 48.04 48.31 48.62 49.33 49.61 49.99 50.22 50.54 50.75 50.98 51.33 51.76 1979 52.52 52.95 53.38 54.30 54.73 55.67 58.07 58.53 59.11 59.72 60.25 60.68 1980 62.18 63.07 63.93 66.11 66.72 67.35 67.91 68.06 68.49 68.92 69.48 69.86 1981 70.29 70.93 71.99 74.07 74.55 74.98 75.31 75.87 76.30 76.98 77.79 78.28 1982 78.73 78.76 79.44 81.04 81.62 81.85 81.88 81.90 81.85 82.26 82.66 82.51 1983 82.61 82.97 83.12 84.28 84.64 84.84 85.30 85.68 86.06 86.36 86.67 86.89 1984 86.84 87.20 87.48 88.64 88.97 89.20 89.10 89.94 90.11 90.67 90.95 90.87 1985 91.20 91.94 92.80 94.78 95.21 95.41 95.23 95.49 95.44 95.59 95.92 96.05 1986 96.25 96.60 96.73 97.67 97.85 97.79 97.52 97.82 98.30 98.45 99.29 99.62 1987 100.0 100.4 100.6 101.8 101.9 101.9 101.8 102.1 102.4 102.9 103.4 103.3 1988 103.3 103.7 104.1 105.8 106.2 106.6 106.7 107.9 108.4 109.5 110.0 110.3 1989 111.0 111.8 112.3 114.3 115.0 115.4 115.5 115.8 116.6 117.5 118.5 118.8 1990 119.5 120.2 121.4 125.1 126.2 126.7 126.8 128.1 129.3 130.3 130.0 129.9 1991 130.2 130.9 131.4 133.1 133.5 134.1 133.8 134.1 134.6 135.1 135.6 135.7 1992 135.6 136.3 136.7 138.8 139.3 139.3 138.8 138.9 139.4 139.9 139.7 139.2 1993 137.9 138.8 139.3 140.6 141.1 141.0 140.7 141.3 141.9 141.8 141.6 141.9 1994 141.3 142.1 142.5 144.2 144.7 144.7 144.0 144.7 145.0 145.2 145.3 146.0 1995 146.0 146.9 147.5 149.0 149.6 149.8 149.1 149.9 150.6 149.8 149.8 150.7 1996 150.2 150.9 151.5 152.6 152.9 153.0 152.4 153.1 153.8 153.8 153.9 154.4 1997 154.4 155.0 155.4 156.3 156.9 157.5 157.5 158.5 159.3 159.5 159.6 160.0 1998 159.5 160.3 160.8 162.6 163.5 163.4 163.0 163.7 164.4 164.5 164.4 164.4 1999 163.4 163.7 164.1 165.2 165.6 165.6 165.1 165.5 166.2 166.5 166.7 167.3 2000 166.6 167.5 168.4 170.1 170.7 171.1 170.5 170.5 171.7 171.6 172.1 172.2 2001 171.1 172.0 172.2 173.1 174.2 174.4 173.3 174.0 174.6 174.3 173.6 173.4 2002 173.3 173.8 174.5 175.7 176.2 176.2 175.9 176.4 177.6 177.9 178.2 178.5 2003 178.4 179.3 179.9 181.2 181.5 181.3 181.3 181.6 182.5 182.6 182.7 183.5 2004 183.1 183.8 184.6 185.7 186.5 186.8 186.8 187.4 188.1 188.6 189.0 189.9 2005 188.9 189.6 190.5 191.6 192.0 192.2 192.2 192.6 193.1 193.3 193.6 194.1 2006 193.4 194.2 195.0 196.5 197.7 198.5 198.5 199.2 200.1 200.4 201.1 202.7 2007 201.6 203.1 204.4 205.4 206.2 207.3 206.1 207.3 208.0 208.9 209.7 210.9 2008 209.8 211.4 212.1 214.0
[End of document, updated to 13 May 2008]