Someone has posted this on facebook, thought it could be useful here:
Shorts summary
Symbol Report Date Volume Change % of Float
INT - V 2011-10-31 3,840,645 3,451,096 1.23
...
INT - V 2011-10-15 389,549 160,761 0.14
INT - V 2011-09-30 228,788 -935,861 0.08
INT - V 2011-09-15 1,164,649 -154,260 0.41