| Month | Period | Effective Dates | HTML | |
|---|---|---|---|---|
| April | 1 | April 1 to April 30, 2011 |  |
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| May | 2 | May 1 to May 31, 2011 | |
|
| June | 3 | June 1 to June 30, 2011 | |
|
| July | 4 | July 1 to July 31, 2011 | |
|
| August | 5 | August 1 to August 31, 2011 | |
|
| September | 6 | September 1 to September 30, 2011 | |
|
| October | 7 | October 1 to October 31, 2011 | |
|
| November | 8 | November 1 to November 30, 2011 | |
|
| December | 9 | December 1 to December 31, 2011 | |
|
| January | 10 | January 1 to January 31, 2012 | |
|
| February | 11 | February 1 to February 28, 2012 | |
|
| March | 12 | March 1 to March 31, 2012 | |
|
