1947.01    20.7
1947.04    21.4
1947.07    21.8
1947.10    23.5
1948.01    23.5
1948.04    24.0
1948.07    25.3
1948.10    25.0
1949.01    24.4
1949.04    26.4
1949.07    27.3
1949.10    28.4
1950.01    29.3
1950.04    29.8
1950.07    37.4
1950.10    33.3
1951.01    35.6
1951.04    30.7
1951.07    30.2
1951.10    30.4
1952.01    30.8
1952.04    31.0
1952.07    29.5
1952.10    33.7
1953.01    35.2
1953.04    35.0
1953.07    34.6
1953.10    33.7
1954.01    32.9
1954.04    33.6
1954.07    33.2
1954.10    35.1
1955.01    38.4
1955.04    40.7
1955.07    42.4
1955.10    41.4
1956.01    39.7
1956.04    39.8
1956.07    39.7
1956.10    41.5
1957.01    42.6
1957.04    42.2
1957.07    41.9
1957.10    41.5
1958.01    39.4
1958.04    38.6
1958.07    39.4
1958.10    40.7
1959.01    43.6
1959.04    45.5
1959.07    46.3
1959.10    44.1
1960.01    45.5
1960.04    46.4
1960.07    45.9
1960.10    44.7
1961.01    42.2
1961.04    43.3
1961.07    44.6
1961.10    46.7
1962.01    47.7
1962.04    49.0
1962.07    49.6
1962.10    51.5
1963.01    52.6
1963.04    53.9
1963.07    54.7
1963.10    55.7
1964.01    58.0
1964.04    59.5
1964.07    61.4
1964.10    59.4
1965.01    64.9
1965.04    64.8
1965.07    66.7
1965.10    69.1
1966.01    72.3
1966.04    69.7
1966.07    72.3
1966.10    72.6
1967.01    71.1
1967.04    74.5
1967.07    74.7
1967.10    75.6
1968.01    80.9
1968.04    83.1
1968.07    87.5
1968.10    87.8
1969.01    90.0
1969.04    90.4
1969.07    90.6
1969.10    90.8
1970.01    89.6
1970.04    91.0
1970.07    92.0
1970.10    87.3
1971.01    98.1
1971.04   101.0
1971.07   103.4
1971.10   107.3
1972.01   110.7
1972.04   114.1
1972.07   117.6
1972.10   123.4
1973.01   131.8
1973.04   131.3
1973.07   130.8
1973.10   128.2
1974.01   126.7
1974.04   130.6
1974.07   136.3
1974.10   127.1
1975.01   131.8
1975.04   136.7
1975.07   146.8
1975.10   153.4
1976.01   163.3
1976.04   165.9
1976.07   169.8
1976.10   175.5
1977.01   183.9
1977.04   189.2
1977.07   194.0
1977.10   200.7
1978.01   198.2
1978.04   216.2
1978.07   216.7
1978.10   222.3
1979.01   223.3
1979.04   222.1
1979.07   230.9
1979.10   229.0
1980.01   232.1
1980.04   211.9
1980.07   225.4
1980.10   236.2
1981.01   246.0
1981.04   240.9
1981.07   251.9
1981.10   236.8
1982.01   246.4
1982.04   249.2
1982.07   252.1
1982.10   264.4
1983.01   268.9
1983.04   289.6
1983.07   302.4
1983.10   319.3
1984.01   331.4
1984.04   341.3
1984.07   342.1
1984.10   353.8
1985.01   368.0
1985.04   373.3
1985.07   396.5
1985.10   383.8
1986.01   391.6
1986.04   407.3
1986.07   445.7
1986.10   441.1
1987.01   418.5
1987.04   439.1
1987.07   460.5
1987.10   449.9
1988.01   470.4
1988.04   473.2
1988.07   470.4
1988.10   486.2
1989.01   486.4
1989.04   493.3
1989.07   505.6
1989.10   491.9
1990.01   515.4
1990.04   498.4
1990.07   493.6
1990.10   480.9
1991.01   471.7
1991.04   475.2
1991.07   484.3
1991.10   477.5
1992.01   496.2
1992.04   501.0
1992.07   512.1
1992.10   523.1
1993.01   527.9
1993.04   547.8
1993.07   556.6
1993.10   573.8
1994.01   588.8
1994.04   598.7
1994.07   609.3
1994.10   631.8
1995.01   621.3
1995.04   626.9
1995.07   642.5
1995.10   652.2
1996.01   659.8
1996.04   676.3
1996.07   679.4
1996.10   689.6
1997.01   705.6
1997.04   696.6
1997.07   722.8
1997.10   737.2
1998.01   737.7
1998.04   769.2
1998.07   785.0
1998.10   825.2
1999.01   819.9
1999.04   854.8
1999.07   871.2
1999.10   876.3
2000.01   920.9
2000.04   901.9
2000.07   911.7
2000.10   915.8
2001.01   926.8
2001.04   919.5
2001.07   923.9
2001.10   995.9
2002.01   974.9
2002.04   979.7
2002.07  1003.5
2002.10   983.3
2003.01   974.0
2003.04  1007.8
2003.07  1042.3
2003.10  1046.0
2004.01  1062.3
2004.04  1071.7
2004.07  1084.2
2004.10  1101.1
2005.01  1110.5
2005.04  1140.6
2005.07  1145.4
2005.10  1112.4
2006.01  1153.3
2006.04  1147.0
2006.07  1158.0
2006.10  1166.1
2007.01  1173.4
2007.04  1184.9
2007.07  1190.2
2007.10  1190.1
2008.01  1152.3
2008.04  1139.8
2008.07  1101.9
2008.10  1015.1
2009.01  1012.0
2009.04  1004.8
2009.07  1045.8
2009.10  1030.7
2010.01  1040.2
2010.04  1064.7
2010.07  1075.1
2010.10  1102.8
2011.01  1115.3
2011.04  1112.3
2011.07  1123.8
2011.10  1149.8
2012.01  1177.3
2012.04  1179.4
2012.07  1195.4
2012.10  1216.1
2013.01  1237.8
2013.04  1245.4
2013.07  1252.4
2013.10  1261.5
2014.01  1262.3
2014.04  1298.4
2014.07  1320.2
2014.10  1329.0
