| Fall 2006 | Winter 2007 | Summer 2007 | ||||
| Age | n | % | n | % | n | % |
| 15 | 1 | 0% | 0 | 0% | 0 | 0% |
| 16 | 3 | 0% | 0 | 0% | 1 | 0% |
| 17 | 145 | 1% | 51 | 0% | 32 | 0% |
| 18 | 2,955 | 22% | 2,057 | 16% | 682 | 8% |
| 19 | 1,923 | 14% | 1,944 | 15% | 1144 | 13% |
| 20 | 1,286 | 10% | 1,436 | 11% | 1064 | 12% |
| 21 | 1,519 | 11% | 1,686 | 13% | 1394 | 16% |
| 22 | 1,526 | 11% | 1,619 | 12% | 1182 | 14% |
| 23 | 1,318 | 10% | 1,423 | 11% | 957 | 11% |
| 24 | 1,038 | 8% | 1,097 | 8% | 814 | 9% |
| 25 | 649 | 5% | 646 | 5% | 479 | 6% |
| 26 | 342 | 3% | 383 | 3% | 291 | 3% |
| 27 | 178 | 1% | 220 | 2% | 149 | 2% |
| 28 | 111 | 1% | 112 | 1% | 93 | 1% |
| 29 | 86 | 1% | 88 | 1% | 66 | 1% |
| 30 | 49 | 0% | 55 | 0% | 44 | 1% |
| 31 | 39 | 0% | 36 | 0% | 32 | 0% |
| 32 | 33 | 0% | 41 | 0% | 26 | 0% |
| 33 | 29 | 0% | 31 | 0% | 22 | 0% |
| 34 | 20 | 0% | 24 | 0% | 18 | 0% |
| 35 | 16 | 0% | 27 | 0% | 19 | 0% |
| 36 | 15 | 0% | 15 | 0% | 17 | 0% |
| 37 | 20 | 0% | 12 | 0% | 11 | 0% |
| 38 | 13 | 0% | 22 | 0% | 10 | 0% |
| 39 | 16 | 0% | 14 | 0% | 10 | 0% |
| 40 | 17 | 0% | 20 | 0% | 15 | 0% |
| 41 | 15 | 0% | 18 | 0% | 8 | 0% |
| 42 | 12 | 0% | 10 | 0% | 44 | 0% |
| 43 | 9 | 0% | 14 | 0% | 9 | 0% |
| 44 | 19 | 0% | 22 | 0% | 13 | 0% |
| 45 | 20 | 0% | 24 | 0% | 11 | 0% |
| 46 | 12 | 0% | 13 | 0% | 9 | 0% |
| 47 | 18 | 0% | 14 | 0% | 4 | 0% |
| 48 | 12 | 0% | 16 | 0% | 11 | 0% |
| 49 | 5 | 0% | 10 | 0% | 11 | 0% |
| 50 | 9 | 0% | 9 | 0% | 7 | 0% |
| 51 | 9 | 0% | 11 | 0% | 11 | 0% |
| 52 | 8 | 0% | 7 | 0% | 3 | 0% |
| 53 | 13 | 0% | 9 | 0% | 4 | 0% |
| 54 | 3 | 0% | 6 | 0% | 6 | 0% |
| 55 | 4 | 0% | 2 | 0% | 4 | 0% |
| 56 | 2 | 0% | 2 | 0% | 1 | 0% |
| 57 | 1 | 0% | 1 | 0% | 2 | 0% |
| 58 | 0 | 0% | 2 | 0% | 2 | 0% |
| 59 | 0 | 0% | 0 | 0% | 0 | 0% |
| 60 | 0 | 0% | 0 | 0% | 2 | 0% |
| 61 | 1 | 0% | 1 | 0% | 2 | 0% |
| 62 | 0 | 0% | 2 | 0% | 0 | 0% |
| 64 | 1 | 0% | 1 | 0% | 0 | 0% |
| 65 | 0 | 0% | 1 | 0% | 0 | 0% |
| 66 | 0 | 0% | 1 | 0% | 0 | 0% |
| 74 | 0 | 0% | 1 | 0% | 0 | 0% |
| 75 | 0 | 0% | 1 | 0% | 1 | 0% |
| 76 | 0 | 0% | 1 | 0% | 1 | 0% |
| 80 | 1 | 0% | 1 | 0% | 0 | 0% |
| unknown | 2 | 0% | 1 | 0% | 0 | 0% |
| Grand Total | 13,523 | 13,259 | 8,705 | |||