PERIOD VALUE 1998-04 2951 1998-05 6944 1998-06 1437 1998-07 7799 1998-08 273 1998-09 6261 1998-10 1305 1998-11 773 1998-12 -848 1999-01 12338 1999-02 4931 1999-03 5236 1999-04 3832 1999-05 -2232 1999-06 8160 1999-07 896 1999-08 4550 1999-09 7194 1999-10 2601 1999-11 10557 1999-12 1642 2000-01 6262 2000-02 2930 2000-03 17186 2000-04 4143 2000-05 9006 2000-06 8046 2000-07 -3969 2000-08 11129 2000-09 8920 2000-10 5986 2000-11 1433 2000-12 5924 2001-01 13418 2001-02 1256 2001-03 15764 2001-04 -9294 2001-05 10337 2001-06 3095 2001-07 3593 2001-08 18150 2001-09 8563 2001-10 7771 2001-11 -4158 2001-12 2089 2002-01 4283 2002-02 7749 2002-03 6475 2002-04 6659 2002-05 13453 2002-06 2631 2002-07 7975 2002-08 9432 2002-09 16030 2002-10 21755 2002-11 -14 2002-12 -564 2003-01 10902 2003-02 3376 2003-03 225 2003-04 13688 2003-05 8367 2003-06 3917 2003-07 11096 2003-08 6210 2003-09 14586 2003-10 11984 2003-11 4580 2003-12 7426 2004-01 14728 2004-02 8152 2004-03 2437 2004-04 4789 2004-05 9016 2004-06 17371 2004-07 9530 2004-08 14424 2004-09 15741 2004-10 12625 2004-11 1031 2004-12 10108 2005-01 11997 2005-02 6467 2005-03 -4447 2005-04 13473 2005-05 9833 2005-06 14079 2005-07 11962 2005-08 5655 2005-09 18382 2005-10 11439 2005-11 39 2005-12 18239 2006-01 3122 2006-02 9326 2006-03 15645 2006-04 21212 2006-05 1328 2006-06 24913 2006-07 18593 2006-08 11188 2006-09 18204 2006-10 1562 2006-11 11586 2006-12 949 2007-01 29013 2007-02 13144 2007-03 12104 2007-04 13559 2007-05 6025 2007-06 12836 2007-07 19452 2007-08 30164 2007-09 30822 2007-10 16342 2007-11 -780 2007-12 7766 2008-01 27536 2008-02 20076 2008-03 14721 2008-04 15051 2008-05 9810 2008-06 22285 2008-07 -4989 2008-08 10249 2008-09 20499 2008-10 53327 2008-11 3818 2008-12 -50554 2009-01 20569 2009-02 24890 2009-03 6045 2009-04 -31508 2009-05 9967 2009-06 -4372 2009-07 -14414 2009-08 10005 2009-09 11538 2009-10 4489 2009-11 2901 2009-12 -10252