| XBRL Files - 2nd Quarter 2010 | 2010 : Quarter 2 | 10-Q - June 30, 2010 |  |
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| XBRL Files - 3rd Quarter 2010 | 2010 : Quarter 3 | 10-Q - September 30, 2010 | |
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| XBRL Files - 4th Quarter 2010 | 2010 : Quarter 4 | 10-K - December 31, 2010 | |
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| XBRL Files - 1st Quarter 2011 | 2011 : Quarter 1 | 10-Q - March 31, 2011 | |
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| XBRL Files - 2nd Quarter 2011 | 2011 : Quarter 2 | 10-Q - June 30, 2011 | |
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| XBRL Files - 3rd Quarter 2011 | 2011 : Quarter 3 | 10-Q - September 30, 2011 | |
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| XBRL Files - 4th Quarter 2011 | 2011 : Quarter 4 | 10-K - December 31, 2011 | |
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| XBRL Files - 1st Quarter 2012 | 2012 : Quarter 1 | 10-Q - March 31, 2012 | |
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| XBRL Files - 2nd Quarter 2012 | 2012 : Quarter 2 | 10-Q - June 30, 2012 | |
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| XBRL Files - 3rd Quarter 2012 | 2012 : Quarter 3 | 10-Q - September 30, 2012 | |
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| XBRL Files - 4th Quarter 2012 | 2012 : Quarter 4 | 10-K December 31, 2012 | |
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| XBRL Files - 1st Quarter 2013 | 2013 : Quarter 1 | 10-Q - March 31, 2013 | |
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