# Class-
rooms # Hrs Average # Labs # Hrs Average
November 1, 2003 125 2372.2        19.0 76 799.3        10.5
January 1, 2004 125 2547.5        20.4 76 811.3        10.7
March 3, 2004 125 2547.5        20.4 76 811.3        10.7
October 24, 2004 127 3040.2        23.9 78 780.2        10.0
December 17, 2004 124 2745.4        22.1 74 786.3        10.6
October 21, 2005 126 2974.3        23.6 72 869.6        12.1
September 18, 2007 115 2127.4        18.5 59 431.2          7.3
September 20, 2007 115 2997.2        26.1 59 853.7        14.5
October 3, 2007 105 3053.7        29.1 56 867.9        15.5
November 8, 2007 105 3039.6        28.9 56 912.1        16.3
March 17, 2008 102 3341.7        32.8 48 1039.1        21.6
March 27, 2008 101 3391.1        33.6 48 1058.1        22.0
May 28, 2008 101 4060.6        40.2 47 1084.2        23.1
December 4, 2008 106 3614.1        34.1 46 1048.5        22.8
April 7, 2009 129 3085.2        23.9 48 1066.4        22.2
December 1, 2009 112 3235.5 28.9 44 965.1 21.9
12-May-10 112 3177.5 28.4 44 997.7 22.7