| The camaraderie | 19 % |
| Helping people | 65 % |
| Learning new techniques and technology | 9 % |
| The schedule | 7 % |
| Total | 68 |
| The camaraderie | 19 % |
| Helping people | 65 % |
| Learning new techniques and technology | 9 % |
| The schedule | 7 % |
| Total | 68 |