1947 01    237.2
1947 04    240.5
1947 07    244.6
1947 10    254.4
1948 01    260.4
1948 04    267.3
1948 07    273.9
1948 10    275.2
1949 01    270.0
1949 04    266.2
1949 07    267.7
1949 10    265.2
1950 01    275.2
1950 04    284.6
1950 07    302.0
1950 10    313.4
1951 01    329.0
1951 04    336.7
1951 07    343.6
1951 10    348.0
1952 01    351.3
1952 04    352.2
1952 07    358.5
1952 10    371.4
1953 01    378.4
1953 04    382.0
1953 07    381.1
1953 10    375.9
1954 01    375.3
1954 04    376.0
1954 07    380.8
1954 10    389.5
1955 01    402.6
1955 04    410.9
1955 07    419.5
1955 10    426.0
1956 01    428.3
1956 04    434.2
1956 07    439.3
1956 10    448.1
1957 01    457.2
1957 04    459.2
1957 07    466.4
1957 10    461.5
1958 01    454.0
1958 04    458.1
1958 07    471.7
1958 10    485.0
1959 01    495.4
1959 04    508.4
1959 07    509.3
1959 10    513.2
1960 01    526.9
1960 04    526.1
1960 07    528.9
1960 10    523.6
1961 01    527.9
1961 04    539.0
1961 07    549.4
1961 10    562.5
1962 01    576.0
1962 04    583.2
1962 07    590.0
1962 10    593.3
1963 01    602.4
1963 04    611.2
1963 07    623.9
1963 10    633.5
1964 01    649.6
1964 04    658.8
1964 07    670.5
1964 10    675.6
1965 01    695.7
1965 04    708.1
1965 07    725.2
1965 10    747.5
1966 01    770.8
1966 04    779.9
1966 07    793.4
1966 10    807.1
1967 01    817.9
1967 04    822.5
1967 07    837.1
1967 10    852.8
1968 01    879.9
1968 04    904.2
1968 07    919.4
1968 10    936.3
1969 01    961.0
1969 04    976.3
1969 07    996.5
1969 10   1004.6
1970 01   1017.3
1970 04   1033.2
1970 07   1050.7
1970 10   1052.9
1971 01   1098.3
1971 04   1119.1
1971 07   1139.3
1971 10   1151.7
1972 01   1190.6
1972 04   1225.9
1972 07   1249.7
1972 10   1287.0
1973 01   1335.5
1973 04   1371.9
1973 07   1391.2
1973 10   1432.3
1974 01   1447.0
1974 04   1485.3
1974 07   1514.2
1974 10   1553.4
1975 01   1570.0
1975 04   1605.6
1975 07   1663.1
1975 10   1714.6
1976 01   1772.6
1976 04   1804.9
1976 07   1838.3
1976 10   1885.3
1977 01   1939.3
1977 04   2006.0
1977 07   2066.8
1977 10   2111.6
1978 01   2150.0
1978 04   2275.6
1978 07   2336.2
1978 10   2417.0
1979 01   2464.4
1979 04   2527.6
1979 07   2600.7
1979 10   2660.5
1980 01   2725.3
1980 04   2729.3
1980 07   2786.6
1980 10   2916.9
1981 01   3052.7
1981 04   3085.9
1981 07   3178.7
1981 10   3196.4
1982 01   3186.8
1982 04   3242.7
1982 07   3276.2
1982 10   3314.4
1983 01   3382.9
1983 04   3484.1
1983 07   3589.3
1983 10   3690.4
1984 01   3809.6
1984 04   3908.6
1984 07   3978.2
1984 10   4036.3
1985 01   4119.5
1985 04   4178.4
1985 07   4261.3
1985 10   4321.8
1986 01   4385.6
1986 04   4425.7
1986 07   4493.9
1986 10   4546.1
1987 01   4613.8
1987 04   4690.0
1987 07   4767.8
1987 10   4886.3
1988 01   4951.9
1988 04   5062.8
1988 07   5146.6
1988 10   5253.7
1989 01   5367.1
1989 04   5454.1
1989 07   5531.9
1989 10   5584.3
1990 01   5716.4
1990 04   5797.7
1990 07   5849.4
1990 10   5848.8
1991 01   5888.0
1991 04   5964.3
1991 07   6035.6
1991 10   6095.8
1992 01   6196.1
1992 04   6290.1
1992 07   6380.5
1992 10   6484.3
1993 01   6542.7
1993 04   6612.1
1993 07   6674.6
1993 10   6800.2
1994 01   6911.0
1994 04   7030.6
1994 07   7115.1
1994 10   7232.2
1995 01   7298.3
1995 04   7337.7
1995 07   7432.1
1995 10   7522.5
1996 01   7624.1
1996 04   7776.6
1996 07   7866.2
1996 10   8000.4
1997 01   8113.8
1997 04   8250.4
1997 07   8381.9
1997 10   8471.2
1998 01   8586.7
1998 04   8657.9
1998 07   8789.5
1998 10   8953.8
1999 01   9066.6
1999 04   9174.1
1999 07   9313.5
1999 10   9519.5
2000 01   9629.4
2000 04   9822.8
2000 07   9862.1
2000 10   9953.6
2001 01  10024.8
2001 04  10088.2
2001 07  10096.2
2001 10  10193.9
2002 01  10329.3
2002 04  10428.3
2002 07  10542.0
2002 10  10623.7
2003 01  10735.8
2003 04  10846.7
2003 07  11107.0
2003 10  11262.0
