| Skill | 2007-2008 (per cent) | 2001-2002 (per cent) | 2000-2001 (per cent) | 1999-2000 (per cent) | 1998-1999 (per cent) | 1997-1998 (per cent) | 1996-1997 (per cent) | 1995-1996 (per cent) |
| Academic ability | 69.1 | 67.9 | 67.4 | 58.5 | 56.6 | 56.0 | 57.9 | 54.8 |
| Artistic ability | 28.7 | 30.6 | 29.4 | 27.2 | 26.8 | 25.8 | 26.1 | 24.8 |
| Competitiveness | 58.0 | 55.9 | 56.2 | 53.5 | 53.4 | 53.7 | 54.5 | |
| Cooperativeness | 72.6 | 72.2 | 72.6 | 69.5 | 68.3 | 68.8 | 69.2 | 69.6 |
| Creativity | 55.8 | 56.7 | 56.9 | 54.3 | 51.7 | 50.6 | 49.9 | 48.9 |
| Drive to achieve | 74.8 | 70.9 | 70.6 | 65.9 | 65.3 | 64.5 | 65.2 | 64.9 |
| Emotional health | 54.5 | 53.4 | 53.8 | 52.5 | 52.4 | 52.4 | 52.7 | 53.2 |
| Leadership ability | 61.6 | 59.9 | 60.8 | 56.6 | 54.6 | 54.3 | 53.6 | 53.6 |
| Mathematical ability | 43.5 | 44.2 | 44.3 | 38.8 | 39.0 | 38.2 | 39.0 | 38.3 |
| Physical health | 56.0 | 55.2 | 56.4 | 53.9 | 54.5 | 54.8 | 54.9 | 52.4 |
| Popularity | N/A | 39.0 | 40.7 | 37.8 | 37.5 | 39.4 | 37.9 | 36.1 |
| Public speaking ability | 37.0 | 36.5 | 37.4 | 33.2 | 31.0 | 30.6 | 30.1 | 29.0 |
| Self-confidence (intellectual) | 60.1 | 58.9 | 60.3 | 56.1 | 54.1 | 53.7 | 53.6 | 51.1 |
| Self-confidence (social) | 53.2 | 50.7 | 52.1 | 50.2 | 48.6 | 48.6 | 47.8 | 45.4 |
| Self-understanding | 56.9 | 55.5 | 57.1 | 54.1 | 53.4 | 53.6 | 54.0 | N/A |
| Spirituality | 37.9 | 39.3 | 44.9 | 43.3 | 43.0 | 41.4 | 41.7 | N/A |
| Understanding of others | 65.6 | 65.6 | 65.6 | 62.4 | 61.7 | 62.3 | 63.9 | 68.4 |
| Writing ability | 45.9 | 45.9 | 45.9 | 41.0 | 40.7 | 41.7 | 39.3 | |
| Computer skills | 39.9 | 34.2 | 33.6 | 31.0 | N/A --> |