PERIOD VALUE 1998-04 147908 1998-05 146375 1998-06 148208 1998-07 148400 1998-08 147369 1998-09 150115 1998-10 147562 1998-11 146243 1998-12 147076 1999-01 147791 1999-02 148370 1999-03 145817 1999-04 149314 1999-05 145884 1999-06 146289 1999-07 147898 1999-08 148640 1999-09 149790 1999-10 144526 1999-11 142143 1999-12 141153 2000-01 145650 2000-02 143511 2000-03 145830 2000-04 145961 2000-05 149491 2000-06 146449 2000-07 149890 2000-08 160777 2000-09 160284 2000-10 161337 2000-11 172956 2000-12 179524 2001-01 175232 2001-02 181448 2001-03 175326 2001-04 175488 2001-05 175649 2001-06 180701 2001-07 182686 2001-08 185909 2001-09 189249 2001-10 182650 2001-11 186180 2001-12 185455 2002-01 192634 2002-02 192271 2002-03 188759 2002-04 187606 2002-05 191851 2002-06 197004 2002-07 205252 2002-08 201300 2002-09 204943 2002-10 202807 2002-11 210244 2002-12 206797 2003-01 226694 2003-02 214395 2003-03 213444 2003-04 212972 2003-05 226886 2003-06 220199 2003-07 240247 2003-08 228905 2003-09 241400 2003-10 235215 2003-11 237850 2003-12 225899 2004-01 244401 2004-02 248686 2004-03 258004 2004-04 265503 2004-05 266546 2004-06 272022 2004-07 275888 2004-08 277244 2004-09 285585 2004-10 279100 2004-11 283129 2004-12 286535 2005-01 280633 2005-02 284464 2005-03 280357 2005-04 273243 2005-05 283849 2005-06 285367 2005-07 286941 2005-08 282246 2005-09 296550 2005-10 290408 2005-11 290994 2005-12 291776 2006-01 310618 2006-02 299023 2006-03 317315 2006-04 319573 2006-05 301568 2006-06 300934 2006-07 307436 2006-08 308508 2006-09 309330 2006-10 297060 2006-11 322050 2006-12 313834 2007-01 329560 2007-02 319651 2007-03 304199 2007-04 291762 2007-05 311653 2007-06 302226 2007-07 293646 2007-08 293116 2007-09 297808 2007-10 291196 2007-11 311431 2007-12 313574 2008-01 318871 2008-02 330321 2008-03 340610 2008-04 320795 2008-05 316268 2008-06 323397 2008-07 340829 2008-08 342462 2008-09 363220 2008-10 389960 2008-11 428596 2008-12 522242 2009-01 427494 2009-02 418940 2009-03 444711 2009-04 426714 2009-05 427567 2009-06 441696 2009-07 448136 2009-08 464529 2009-09 484395 2009-10 466973 2009-11 499844 2009-12 490358