AUG2001 4,916
SEP2001 5,208
OCT2001 5,609
NOV2001 5,998
DEC2001 6,286
JAN2002 6,605
FEB2002 6,908
MAR2002 7,123
APR2002 6,204
MAY2002 6,524
JUN2002 6,656
JUL2002 6,727
AUG2002 6,938
SEP2002 7,183
OCT2002 7,460
NOV2002 7,573
DEC2002 7,600
JAN2003 7,501
FEB2003 7,495
MAR2003 7,560
APR2003 7,201
MAY2003 7,248
JUN2003 7,350
JUL2003 7,504
AUG2003 7,813
SEP2003 8,158
OCT2003 8,558
NOV2003 8,942
DEC2003 9,536
JAN2004 10,046
FEB2004 10,502
MAR2004 10,944
APR2004 10,297
MAY2004 10,684
JUN2004 11,205
JUL2004 11,965
AUG2004 12,458
SEP2004 13,192
OCT2004 13,574
NOV2004 13,829
DEC2004 13,899
JAN2005 13,850
FEB2005 13,929
MAR2005 14,171
APR2005 12,672
MAY2005 13,035
JUN2005 13,064
JUL2005 12,977
AUG2005 12,855
SEP2005 12,626
OCT2005 12,272
NOV2005 11,995
DEC2005 11,822
JAN2006 11,776
FEB2006 11,807
MAR2006 11,867
APR2006 10,049
MAY2006 10,455
JUN2006 10,881
JUL2006 11,187
AUG2006 11,421
SEP2006 11,809
OCT2006 12,109
NOV2006 12,085
DEC2006 12,039
JAN2007 11,873
FEB2007 11,855
MAR2007 11,944
APR2007 10,049
MAY2007 10,141
JUN2007 10,363
JUL2007 10,566
AUG2007 10,922
SEP2007 11,230
OCT2007 11,797
NOV2007 12,272
DEC2007 12,333
JAN2008 12,685
FEB2008 12,685
MAR2008 12,957
APR2008 11,811
MAY2008 12,017
JUN2008 12,416
JUL2008 12,766
AUG2008 13,064
SEP2008 13,507
OCT2008 13,903
NOV2008 14,023
DEC2008 14,251 14,091
JAN2009 14,943 15,314
FEB2009 15,328 15,828
MAR2009 16,001 16,252
APR2009 14,666 14,884
MAY2009 15,243 15,240
JUN2009 16,015 15,917
JUL2009 16,383 16,509 16,720
AUG2009 16,831 16,977 17,319
SEP2009 17,398 17,987
OCT2009 17,741 18,515
NOV2009 17,910 19,036
DEC2009 18,161 19,553
JAN2010 18,548 19,876
FEB2010 18,448 19,977
MAR2010 18,723 20,239
APR2010 16,950 18,068
MAY2010 17,172 18,495
JUN2010 17,749 18,922
JUL2010 18,253 19,564
AUG2010 18,623 20,074
SEP2010 18,961 20,675
OCT2010 19,212 21,125
NOV2010 19,295 21,575
DEC2010 19,479 22,028
JAN2011 19,807 22,270
FEB2011 19,622 22,268
MAR2011 19,843 22,455
APR2011 17,899 19,948
MAY2011 18,072 20,329
JUN2011 18,618 20,714