 |
| $10,000,000 |
| |
| |
| At-the-market Issuance |
| |
| Filed February 2012 |
 |
| $20,000,000 |
| |
| |
| At-the-market Issuance |
| |
| Filed January 2012 |
 |
| $15,000,000 |
| |
| |
| At-the-market Issuance |
| |
| Filed January 2012 |
 |
| $16,000,000 |
| |
| |
| At-the-market Issuance |
| |
| Filed January 2012 |
 |
| $10,000,000 |
| |
| |
| At-the-market Issuance |
| |
| Filed September 2011 |
 |
| 700,000 Shares |
| Preferred Series A |
| 700,000 Shares |
| Preferred Series D |
| At-the-market Issuance |
| Filed September 2011 |
 |
| 6,000,000 Shares |
| |
| |
| At-the-market Issuance |
 |
| Filed September 2011 |
 |
| $7,000,000 |
| |
| |
| At-the-market Issuance |
 |
| Filed August 2011 |
 |
| $100,000,000 |
| |
| Preferred Series Z |
| At-the-market Issuance |
 |
| Filed August 2011 |
 |
| 2,500,000 Shares |
| |
| |
| At-the-market Issuance |
  |
| Filed August 2011 |
 |
| $20,000,000 |
| |
| |
| At-the-market Issuance |
  |
| Filed August 2011 |
 |
| $10,000,000 |
| |
| |
| At-the-market Issuance |
 |
| Filed August 2011 |
 |
| 180,000 Shares |
| |
| Preferred Series A |
| At-the-market Issuance |
 |
| Filed July 2011 |
 |
| $9,850,000 |
| |
| |
| At-the-market Issuance |
 |
| Filed July 2011 |
 |
| $17,900,000 |
| |
| |
| At-the-market Issuance |
 |
| Several Filings |
 |
| $85,000,000 |
| |
| Preferred Series A |
| At-the-market Issuance |
 |
| Filed June 2011 |
 |
| 9,500,000 Shares |
| |
| |
| At-the-market Issuance |
 |
| Filed June 2011 |
 |
| $70,000,000 |
| |
| |
| At-the-market Issuance |
 |
| Filed June 2011 |
 |
| 2,500,000 Shares |
| |
| |
| At-the-market Issuance |
 |
| Filed June 2011 |
 |
| $20,300,000 |
| |
| |
| At-the-market Issuance |
 |
| Filed June 2011 |
 |
| $20,000,000 |
| |
| |
| At-the-market Issuance |
 |
| Filed June 2011 |
 |
| $20,000,000 |
| |
| |
| At-the-market Issuance |
 |
| Filed June 2011 |
 |
| $20,000,000 |
| |
| |
| At-the-market Issuance |
 |
| Filed June 2011 |
 |
| $100,000,000 |
| |
| Preferred Series D |
| At-the-market Issuance |
 |
| Filed March 2011 |
 |
| $7,200,000 |
| |
| |
| At-the-market Issuance |
 |
| Several Filings |
 |
| $19,800,000 |
| |
| |
| At-the-market Issuance |
 |
| Filed February 2011 |
 |
| $100,000,000 |
| |
| |
| At-the-market Issuance |
 |
| Filed February 2011 |
 |
| $75,000,000 |
| |
| |
| At-the-market Issuance |
 |
| Filed December 2010 |
 |
| $50,000,000 |
| |
| |
| At-the-market Issuance |
 |
| Filed December 2010 |
 |
| $5,500,000 |
| |
| |
| At-the-market Issuance |
 |
| Filed December 2010 |
 |
| $63,000,000 |
| |
| Preferred Series B |
| At-the-market Issuance |
 |
| Filed December 2010 |
 |
| $30,000,000 |
| |
| |
| At-the-market Issuance |
 |
| Filed December 2010 |
 |
| $20,000,000 |
| |
| |
| At-the-market Issuance |
 |
| Filed November 2010 |
 |
| $50,000,000 |
| |
| |
| At-the-market Issuance |
 |
| Filed November 2010 |
 |
| $50,000,000 |
| |
| Preferred Series C |
| At-the-market Issuance |
 |
| Filed November 2010 |
 |
| $15,000,000 |
| |
| |
| At-the-market Issuance |
 |
| Filed October 2010 |
 |
| $47,000,000 |
| |
| |
| At-the-market Issuance |
 |
| Filed October 2010 |
 |
| $125,000,000 |
| |
| |
| At-the-market Issuance |
 |
| Filed October 2010 |
 |
| $40,000,000 |
| |
| Preferred Series C |
| At-the-market Issuance |
 |
| Filed August 2010 |
 |
| $50,000,000 |
| |
| |
| At-the-market Issuance |
 |
| Filed June 2010 |
 |
| $15,000,000 |
| |
| |
| At-the-market Issuance |
 |
| Filed June 2010 |
 |
| $50,000,000 |
| |
| |
| At-the-market Issuance |
 |
| Filed March 2010 |
 |
| 20,000,000 Shares |
| |
| |
| At-the-market Issuance |
 |
| Filed March 2010 |