Categories of comments and their regional distribution
| Category of comments | Percentage east N | Percentage south N | Percentage west N | Percentage mid-/north N | Total percentage |
| (A) Comments calling for a continual improvement system | 35 | 51 | 51 | 74 | 56 |
| (B) Comments reflecting elements of a continual improvement system | 48 | 28 | 31 | 15 | 29 |
| (C) Comments related to Individual responsibility only | 5 | 0 | 7 | 0 | 3 |
| (B+C) Comments related to both individuals and the system | 8 | 10 | 7 | 3 | 6 |
| (D) Other comments | 4 | 10 | 4 | 8 | 6 |