| 1982 | 1990 | Evolution | Structure | |||
| brute | % | 1982 | 1990 | |||
| RSSPR | 5156 | 6392 | 1236 | 23,97% | 16,24% | 17,24% |
| RSSPUET | 3544 | 4876 | 1332 | 37,58% | 11,17% | 13,15% |
| RSE | 924 | 904 | -20 | -2,16% | 2,91% | 2,44% |
| PCISEFI | 1852 | 2952 | 1100 | 59,40% | 5,83% | 7,96% |
| PCIFL | 1788 | 2061 | 273 | 15,27% | 5,63% | 5,56% |
| PBMAG | 3888 | 3636 | -252 | -6,48% | 12,25% | 9,81% |
| PBMIN | 11612 | 12820 | 1208 | 10,40% | 36,58% | 34,58% |
| PBMBA | 2960 | 3416 | 456 | 15,41% | 9,33% | 9,21% |
| 31740 | 37077 | 5337 | 16,81% | 100,00% | 100,00% | |