31/Jan/2012 | 1,663,961 | 1,230,894 | 15/Jan/2012 | 433,067 | -39,782 | 31/Dec/2011 | 472,849 | -275,600 | 15/Dec/2011 | 748,449 | -1,418,735 | 30/Nov/2011 | 2,167,184 | 541,135 | 15/Nov/2011 | 1,626,049 | -2,214,596 | 31/Oct/2011 | 3,840,645 | 3,451,096 | 15/Oct/2011 | 389,549 | 160,761 | 30/Sep/2011 | 228,788 | -935,861 | 15/Sep/2011 | 1,164,649 | -154,260 | 31/Aug/2011 | 1,318,909 | -398,526 | 15/Aug/2011 | 1,717,435 | 495,104 | | | |