1964.1   3.619   1461.733     6.3
1964.2   3.561   1484.567    10.0
1964.3   3.584   1514.300     6.1
1964.4   3.771   1542.267     4.0
1965.1   3.993   1568.867     0.6
1965.2   3.972   1581.200     2.4
1965.3   3.952   1605.967    10.7
1965.4   4.262   1632.567    13.9
1966.1   4.751   1653.367    12.5
1966.2   4.716   1653.333    11.0
1966.3   5.184   1647.867    15.9
1966.4   5.391   1653.400    18.1
1967.1   4.650   1675.600    24.2
1967.2   3.743   1702.267    23.9
1967.3   4.454   1735.200    25.7
1967.4   4.913   1755.200    24.4
1968.1   5.202   1758.967    22.3
1968.2   5.666   1775.167    27.1
1968.3   5.370   1785.067    18.2
1968.4   5.740   1807.600    13.3
1969.1   6.321   1812.700     4.0
1969.2   6.428   1801.267     2.0
1969.3   7.274   1787.300     5.6
1969.4   7.559   1778.000     4.2
1970.1   7.502   1762.000     3.3
1970.2   6.965   1750.400    12.0
1970.3   6.569   1765.633    14.2
1970.4   5.508   1788.967    13.9
1971.1   3.956   1827.367    16.4
1971.2   4.311   1885.933    19.0
1971.3   5.187   1917.200    17.9
1971.4   4.340   1960.867    13.9
1972.1   3.514   2003.200     7.7
1972.2   3.836   2040.533    18.6
1972.3   4.347   2091.133     9.1
1972.4   4.980   2136.800    26.8
1973.1   5.801   2160.633    18.0
1973.2   6.814   2151.367    16.9
1973.3   8.689   2140.000     9.3
1973.4   7.711   2117.000     9.7
1974.1   7.857   2094.967     8.3
1974.2   8.561   2068.400    13.4
1974.3   8.582   2030.800     3.4
1974.4   7.579   1997.033    11.2
1975.1   6.046   1992.467    19.4
1975.2   5.551   2041.900    73.9
1975.3   6.529   2072.067    40.3
1975.4   5.847   2086.733    44.1
1976.1   5.086   2127.733    38.2
1976.2   5.310   2174.833    33.2
1976.3   5.310   2199.100    38.3
1976.4   4.821   2247.700    41.9
1977.1   4.744   2283.367    28.4
1977.2   4.956   2304.900    37.0
1977.3   5.626   2327.067    54.6
1977.4   6.321   2345.233    50.8
1978.1   6.604   2348.433    50.5
1978.2   6.680   2338.900    42.4
1978.3   7.557   2330.233    43.5
1978.4   8.999   2324.767    44.6
1979.1   9.717   2305.967    31.7
1979.2   9.733   2285.533    25.6
1979.3  10.009   2269.300    41.8
1979.4  12.336   2233.067    46.0
1980.1  14.132   2184.133    56.3
1980.2  10.478   2137.267    59.8
1980.3   9.589   2170.667    63.9
1980.4  14.407   2158.000    61.9
1981.1  15.119   2137.800    49.4
1981.2  15.624   2149.400    43.8
1981.3  15.904   2135.167    55.7
1981.4  12.577   2155.500    70.9
1982.1  13.515   2184.700    62.9
1982.2  12.935   2196.467    59.1
1982.3  10.095   2206.000    90.5
1982.4   8.210   2250.633   124.9
1983.1   8.364   2365.467   111.1
1983.2   8.721   2404.833   107.8
1983.3   9.535   2421.900   124.5
1983.4   9.118   2448.133   128.8
1984.1   9.479   2461.233   134.3
1984.2  10.236   2488.933   152.3
1984.3  10.763   2505.600   162.1
1984.4   9.303   2539.067   176.4
1985.1   8.473   2590.567   155.8
1985.2   7.773   2605.433   204.8
1985.3   7.333   2649.200   200.4
1985.4   7.377   2665.767   211.7
1986.1   7.103   2689.933   185.0
1986.2   6.313   2771.233   213.0
1986.3   5.690   2829.667   180.3
1986.4   5.480   2875.867   163.2
1987.1   5.690   2882.000   182.3
1987.2   5.913   2869.767   122.3
1987.3   6.230   2863.300   138.4
1987.4   6.197   2870.933   173.0
1988.1   5.933   2894.533   173.1
1988.2   6.413   2915.233   161.9
1988.3   7.213   2906.300   145.2
1988.4   7.963   2898.000   184.7
1989.1   8.840   2877.933   166.7
1989.2   8.743   2847.900   155.1
1989.3   8.117   2879.100   161.8
1989.4   7.883   2901.600   172.8
1990.1   8.023   2891.533   190.5
1990.2   8.033   2889.633   182.0
1990.3   7.743   2872.467   157.6
1990.4   7.247   2840.867   179.1
1991.1   6.237   2838.767    97.8
1991.2   5.763   2853.800   145.6
