1975 331.36 1975.08 332.2 1975.17 332.92 1975.25 333.73 1975.33 334.08 1975.42 333.87 1975.5 332.61 1975.58 330.42 1975.67 328.93 1975.75 327.72 1975.83 329.87 1975.92 330.75 1976 332.01 1976.08 333.06 1976.17 333.84 1976.25 336.01 1976.33 336.44 1976.42 335.73 1976.5 333.73 1976.58 332.69 1976.67 331.28 1976.75 330.92 1976.83 331.99 1976.92 333.47 1977 334.35 1977.08 335.74 1977.17 335.69 1977.25 336.96 1977.33 337.33 1977.42 337.82 1977.5 336.15 1977.58 334.32 1977.67 332.19 1977.75 331.69 1977.83 333.12 1977.92 334.49 1978 335.78 1978.08 336.24 1978.17 337.58 1978.25 337.66 1978.33 339.03 1978.42 338.35 1978.5 336.82 1978.58 335.73 1978.67 333.05 1978.75 333.81 1978.83 335 1978.92 336.19 1979 336.81 1979.08 338.29 1979.17 339.77 1979.25 340.54 1979.33 341.04 1979.42 340.79 1979.5 338.94 1979.58 337.95 1979.67 334.94 1979.75 335.21 1979.83 336.42 1979.92 338.14 1980 338.84 1980.08 340.11 1980.17 340.8 1980.25 341.65 1980.33 342.11 1980.42 341.77 1980.5 340.05 1980.58 337.92 1980.67 336.31 1980.75 335.63 1980.83 337.92 1980.92 338.67 1981 339.83 1981.08 341.25 1981.17 341.84 1981.25 343.5 1981.33 343.83 1981.42 342.81 1981.5 340.85 1981.58 339.75 1981.67 337.67 1981.75 337.63 1981.83 338.84 1981.92 340.11 1982 340.75 1982.08 342.87 1982.17 342.15 1982.25 344.14 1982.33 345.07 1982.42 345.24 1982.5 343.59 1982.58 342.03 1982.67 339.28 1982.75 339.14 1982.83 340.35 1982.92 342.52 1983 343.25 1983.08 343.98 1983.17 344.9 1983.25 345.83 1983.33 346.98 1983.42 345.84 1983.5 344.48 1983.58 342.92 1983.67 340.21 1983.75 341.28 1983.83 342.67 1983.92 343.67 1984 343.76 1984.08 345.92 1984.17 347.12 1984.25 348.11 1984.33 348.5 1984.42 347.86 1984.5 345.93 1984.58 345.04 1984.67 342.14 1984.75 342 1984.83 343.55 1984.92 345.48 1985 345.9 1985.08 346.6 1985.17 347.28 1985.25 348.7 1985.33 349.41 1985.42 349.08 1985.5 347.51 1985.58 345.4 1985.67 344.49 1985.75 342.96 1985.83 345.23 1985.92 345.98 1986 347.12 1986.08 348.13 1986.17 348.57 1986.25 350.95 1986.33 351.57 1986.42 350.74 1986.5 348.34 1986.58 348.07 1986.67 346.18 1986.75 346.16 1986.83 347.43 1986.92 348.61 1987 349.84 1987.08 352.1 1987.17 351.3 1987.25 352.82 1987.33 353.57 1987.42 353.76 1987.5 352.03 1987.58 350.11 1987.67 348.17 1987.75 348.06 1987.83 349.3 1987.92 350.91 1988 352.35 1988.08 352.58 1988.17 353.33 1988.25 354.22 1988.33 355.25 1988.42 354.2 1988.5 353 1988.58 351.32 1988.67 348.94 1988.75 349.93 1988.83 350.99 1988.92 351.98 1989 352.44 1989.08 354.61 1989.17 355.05 1989.25 355.92 1989.33 356.69 1989.42 355.78 1989.5 354.13 1989.58 353.2 1989.67 349.94 1989.75 350.29 1989.83 352.04 1989.92 354.01