| 1982 | 1990 | Evolution | Structure | |||
| brute | % | 1982 | 1990 | |||
| RSSPR | 7760 | 10516 | 2756 | 35,52% | 16,27% | 17,32% |
| RSSPU | 4432 | 6456 | 2024 | 45,67% | 9,29% | 10,63% |
| RSSET | 1700 | 2568 | 868 | 51,06% | 3,56% | 4,23% |
| RSE | 1676 | 1824 | 148 | 8,83% | 3,51% | 3,00% |
| PCISEFI | 4676 | 6448 | 1772 | 37,90% | 9,81% | 10,62% |
| PCIFL | 3760 | 5868 | 2108 | 56,06% | 7,88% | 9,66% |
| PBMAG | 3472 | 3964 | 492 | 14,17% | 7,28% | 6,53% |
| PBMIN | 15296 | 17791 | 2495 | 16,31% | 32,08% | 29,30% |
| PBMBA | 4120 | 4456 | 336 | 8,16% | 8,64% | 7,34% |
| 47688 | 60727 | 13039 | 27,34% | 100,00% | 100,00% | |