| Month | % Correct |
|---|---|
| January | 95%
|
| June | 91%
|
| July | 90%
|
| March | 90%
|
| May | 90%
|
| April | 89%
|
| August | 83%
|
| February | 82%
|
| September | 79%
|
| October | 76%
|
| November | 72%
|
| December | 69%
|