| Fecha | M.M. PTAS | Variac. año anterior | Variac. período anterior | ||
|---|---|---|---|---|---|
| % | Valor | % | Valor | ||
| 1991 12 | 1.801,655 | -11,7 | -238,310 | -22,3 | -517,170 |
| 1991 11 | 2.318,823 | 33,1 | 576,930 | 4,4 | 97,750 |
| 1991 10 | 2.221,076 | 32,5 | 544,350 | 6,4 | 132,680 |
| 1991 9 | 2.088,397 | 17,0 | 302,660 | 34,3 | 532,980 |
| 1991 8 | 1.555,412 | -28,2 | -610,550 | 50,4 | 520,890 |
| 1991 7 | 1.034,519 | -43,9 | -809,490 | -19,7 | -253,560 |
| 1991 6 | 1.288,080 | -23,5 | -394,780 | -36,2 | -731,680 |
| 1991 5 | 2.019,764 | 23,2 | 379,760 | -15,8 | -379,140 |
| 1991 4 | 2.398,901 | 61,3 | 912,020 | -20,9 | -634,570 |
| 1991 3 | 3.033,469 | 84,1 | 1.385,910 | 39,0 | 850,310 |
| 1991 2 | 2.183,155 | 22,8 | 405,300 | 13,5 | 260,030 |
| 1991 1 | 1.923,122 | 11,4 | 196,650 | -5,7 | -116,840 |
| 1990 12 | 2.039,966 | -10,4 | -237,570 | 17,1 | 298,070 |
| 1990 11 | 1.741,893 | -27,5 | -659,480 | 3,9 | 65,160 |