| Fecha | M.M. PTAS | Variac. año anterior | Variac. período anterior | ||
|---|---|---|---|---|---|
| % | Valor | % | Valor | ||
| 1991 12 | 638,278 | 858,5 | 571,690 | -24,1 | -202,610 |
| 1991 11 | 840,887 | 927,8 | 759,070 | -6,2 | -55,940 |
| 1991 10 | 896,827 | 779,8 | 794,890 | 6,2 | 52,390 |
| 1991 9 | 844,434 | 270,2 | 616,330 | 81,4 | 379,040 |
| 1991 8 | 465,396 | 66,7 | 186,240 | 87,2 | 216,750 |
| 1991 7 | 248,651 | -60,0 | -373,460 | 44,5 | 76,520 |
| 1991 6 | 172,136 | -82,3 | -798,150 | -15,8 | -32,170 |
| 1991 5 | 204,310 | -80,6 | -851,180 | -15,3 | -36,860 |
| 1991 4 | 241,175 | -78,2 | -862,580 | 20,4 | 40,790 |
| 1991 3 | 200,380 | -79,8 | -789,600 | 183,4 | 129,680 |
| 1991 2 | 70,696 | -91,8 | -786,370 | -59,4 | -103,340 |
| 1991 1 | 174,035 | -72,4 | -455,570 | 161,4 | 107,450 |
| 1990 12 | 66,588 | -88,0 | -486,560 | -18,6 | -15,220 |
| 1990 11 | 81,812 | -87,1 | -550,070 | -19,8 | -20,130 |