| 출처 | 하위 출처 | 채점 가능한 문제 | 총 문제 |
|---|---|---|---|
| May 26, 2012 | 2 | 18 | 18 |
| May 5, 2012 | 2 | 18 | 18 |
| March 25, 2012 | 4 | 4 | |
| March 17, 2012 | 4 | 4 | |
| February 25, 2012 | 4 | 4 | |
| February 11, 2012 | 4 | 4 | |
| January 29, 2012 | 4 | 4 | |
| January 14, 2012 | 4 | 4 | |
| December 17, 2011 | 4 | 4 | |
| December 10, 2011 | 4 | 4 | |
| November 12, 2011 | 2 | 17 | 17 |
| October 15, 2011 | 2 | 18 | 18 |
| September 24, 2011 | 9 | 9 | |
| September 17, 2011 | 4 | 4 |