| Fecha | M.M. PTAS | Variac. año anterior | Variac. período anterior | ||
|---|---|---|---|---|---|
| % | Valor | % | Valor | ||
| 1998 12 | 80.016,000 | 16,2 | 11.143,500 | 1,3 | 1.052,000 |
| 1998 11 | 78.964,000 | 15,7 | 10.697,100 | 1,8 | 1.361,000 |
| 1998 10 | 77.603,000 | 15,1 | 10.183,800 | 1,6 | 1.247,000 |
| 1998 9 | 76.356,000 | 14,0 | 9.374,400 | 1,3 | 1.008,000 |
| 1998 8 | 75.348,000 | 13,5 | 8.967,700 | 0,8 | 566,000 |
| 1998 7 | 74.782,000 | 14,3 | 9.337,400 | 1,3 | 971,000 |
| 1998 6 | 73.811,000 | 13,9 | 8.995,800 | 1,9 | 1.342,000 |
| 1998 5 | 72.469,000 | 12,9 | 8.273,900 | 1,0 | 743,000 |
| 1998 4 | 71.726,000 | 12,8 | 8.147,500 | 0,2 | 106,000 |
| 1998 3 | 71.620,000 | 13,6 | 8.575,400 | 0,5 | 349,400 |
| 1998 2 | 71.270,602 | 14,0 | 8.722,800 | 1,9 | 1.327,500 |
| 1998 1 | 69.943,102 | 13,2 | 8.154,300 | 1,6 | 1.070,600 |
| 1997 12 | 68.872,500 | 13,1 | 7.972,700 | 0,9 | 605,600 |
| 1997 11 | 68.266,898 | 12,9 | 7.807,900 | 1,3 | 847,700 |