1951 0.8996554403941001 1951.25 0.8929147553040484 1951.5 0.8961081976892431 1951.75 0.8627930226532474 1952. 1.0015173640107062 1952.25 0.9404614196288166 1952.5 0.9132551069218048 1952.75 0.9059102331930832 1953. 1.0571936536272686 1953.25 0.9508369458077489 1953.5 0.9586275781848418 1953.75 0.7287414481094583 1954. 0.5964377031599527 1954.25 0.5895409617187136 1954.5 0.5372958639808669 1954.75 0.6258736331402543 1955. 0.5617414259538968 1955.25 0.7040958789122033 1955.5 0.6897348812000437 1955.75 0.702732332875333 1956. 0.7289888380500403 1956.25 0.683202632049885 1956.5 0.7642516362764109 1956.75 0.6836688926024044 1957. 0.7183572397239104 1957.25 0.6702404453238194 1957.5 0.6519164036070255 1957.75 0.5195246019250213 1958. 0.45004762736894627 1958.25 0.4434087980815516 1958.5 0.4645654543066971 1958.75 0.5258999003230005 1959. 0.5513167046705673 1959.25 0.5840134488866044 1959.5 0.5456359247851008 1959.75 0.6196416713385446 1960. 0.6018881941646042 1960.25 0.6024280816807553 1960.5 0.5277438781077683 1960.75 0.5117824608510844 1961. 0.47376272288683297 1961.25 0.44891454559600397 1961.5 0.5124050934441631 1961.75 0.5565631129635039 1962. 0.5510873911172182 1962.25 0.536365992325659 1962.5 0.571243720171248 1962.75 0.5599585172689112 1963. 0.5577142996941381 1963.25 0.5647237479486056 1963.5 0.5713742100762896 1963.75 0.5895897025970871 1964. 0.5992660127263365 1964.25 0.6013400975263272 1964.5 0.6139003431168094 1964.75 0.6196025949974253 1965. 0.650732911796198 1965.25 0.7061758305769323 1965.5 0.7025346447752391 1965.75 0.6983051283974891 1966. 0.7907429018903033 1966.25 0.8282294976015552 1966.5 0.8194879850008301 1966.75 0.7613748975293453 1967. 0.7928344607412289 1967.25 0.8059913516747104 1967.5 0.7810515247471845 1967.75 0.7850557792058104 1968. 0.8374129968463409 1968.25 0.8475893491838451 1968.5 0.8800994658329406 1968.75 0.8539908410243001 1969. 0.8381901529187796 1969.25 0.8923784597222141 1969.5 0.8359709215418467 1969.75 0.7936342473134093 1970. 0.7584106281508991 1970.25 0.7058830935680662 1970.5 0.6845104831162365 1970.75 0.6047639618053773 1971. 0.5810987624633024 1971.25 0.578089642049353 1971.5 0.6093990880453958 1971.75 0.5994131111952821 1972. 0.5930225269564616 1972.25 0.6106795238159362 1972.5 0.6504059339240169 1972.75 0.6610015330464711 1973. 0.6834946960569127 1973.25 0.7550621310269321 1973.5 0.7319746493165229 1973.75 0.6937561718505889 1974. 0.7226957841664181 1974.25 0.6814677658434753 1974.5 0.6733670422167395 1974.75 0.531947766874022 1975. 0.45229059593275234 1975.25 0.44233925324408624 1975.5 0.4624859350131419 1975.75 0.4589296634305078 1976. 0.4764565678626914 1976.25 0.48258876568737047 1976.5 0.502161436141008 1976.75 0.5012807244073558 1977. 0.5344619715774783 1977.25 0.5427997376128744 1977.5 0.5546575223482237 1977.75 0.5868190991546517 1978. 0.612392538067794 1978.25 0.624618254536558 1978.5 0.6643902980504707 1978.75 0.6312794218407585 1979. 0.656320781653643 1979.25 0.654567451168357 1979.5 0.6655856254128666 1979.75 0.6523084280657647 1980. 0.5969690239528929 1980.25 0.5349769184678018 1980.5 0.5232817700197022 1980.75 0.50392446801419 1981. 0.5216634817274628 1981.25 0.5316892859274259 1981.5 0.5015295397001716 1981.75 0.509365076684613 1982. 0.45771318177693554 1982.25 0.4214912541799968 1982.5 0.40419494673494794 1982.75 0.38642518544940596 1983. 0.3854523794991118 1983.25 0.4187685249392913 1983.5 0.4518349798107897 1983.75 0.47569069415347753 1984. 0.48529765167698125 1984.25 0.5012437510598826 1984.5 0.5274482214969329 1984.75 0.5394384061498033 1985. 0.5427723480072655 1985.25 0.5436332637451913 1985.5 0.5508412081734 1985.75 0.5695370860234378 1986. 0.5322186535670925 1986.25 0.5423181846596185 1986.5 0.5405597378451943 1986.75 0.554181996055157 1987. 0.5685835270195084 1987.25 0.5860783991564916 1987.5 0.5970109096406334 1987.75 0.620949564664218 1988. 0.6347396001879851 1988.25 0.6078770362032729 1988.5 0.640325035247504 1988.75 0.6320693838720465 1989. 0.6910944861990223 1989.25 0.6691851304776624 1989.5 0.6493443321881895 1989.75 0.655757000614655 1990. 0.6762148555991182 1990.25 0.6065532850253909 1990.5 0.5827304372920077 1990.75 0.5701690826484982 1991. 0.5273871755707558 1991.25 0.510295860722145 1991.5 0.5022112853185766 1991.75 0.46031781179189535 1992. 0.42601353074640125 1992.25 0.41936930475862344 1992.5 0.44583402610184614 1992.75 0.42765562767946597 1993. 0.46145959879003495 1993.25 0.4596755827728423 1993.5 0.4539000974674388 1993.75 0.4751188254309403 1994. 0.48879661496831855 1994.25 0.5538582988755271 1994.5 0.5367790709145974 1994.75 0.5674057703093365 1995. 0.5657442469113912 1995.25 0.5729969823757944 1995.5 0.5818651595975315 1995.75 0.5796221933282308 1996. 0.5550905758266871 1996.25 0.5872308709949075 1996.5 0.62122156348666 1996.75 0.6103341191025945 1997. 0.6008127266508687 1997.25 0.6225225821410185 1997.5 0.6326703011163641 1997.75 0.6363244903479701 1998. 0.7324534115206165 1998.25 0.6700270082148654 1998.5 0.6945167808335417 1998.75 0.6616291344489449 1999. 0.6774111008362802 1999.25 0.6659294396169191 1999.5 0.6932544504172662 1999.75 0.7815022735318086 2000. 0.7175475948033241 2000.25 0.7094887028255228 2000.5 0.738841992476906 2000.75 0.7077400521556766 2001. 0.7219171874322302 2001.25 0.6115212048656302 2001.5 0.5797222040188837 2001.75 0.5275670936372105 2002. 0.5046624657689809 2002.25 0.526175606726251 2002.5 0.49402988034229445 2002.75 0.47111908904553124 2003. 0.4634325105266313 2003.25 0.4442291153680674 2003.5 0.41922119470959546 2003.75 0.47385206537989066 2004. 0.4388955873313397 2004.25 0.4900883865899977 2004.5 0.46894550985169264 2004.75 0.5182767832156556