| Fecha | M.M. PTAS | Variac. año anterior | Variac. período anterior | ||
|---|---|---|---|---|---|
| % | Valor | % | Valor | ||
| 1998 12 | 75.154,504 | 1,4 | 1.037,640 | 2,2 | 1.590,850 |
| 1998 11 | 73.563,654 | 1,6 | 1.158,480 | 0,1 | 106,230 |
| 1998 10 | 73.457,427 | 1,1 | 803,150 | -0,1 | -70,310 |
| 1998 9 | 73.527,739 | 1,4 | 1.015,670 | -0,4 | -261,260 |
| 1998 8 | 73.789,004 | 2,4 | 1.748,770 | -1,3 | -951,240 |
| 1998 7 | 74.740,244 | 2,8 | 2.018,270 | 2,0 | 1.484,050 |
| 1998 6 | 73.256,195 | 2,7 | 1.926,810 | 0,4 | 306,270 |
| 1998 5 | 72.949,923 | 2,9 | 2.035,590 | -0,3 | -213,710 |
| 1998 4 | 73.163,635 | 3,2 | 2.286,750 | -0,4 | -269,470 |
| 1998 3 | 73.433,107 | 3,5 | 2.495,700 | 0,5 | 367,940 |
| 1998 2 | 73.065,163 | 3,2 | 2.287,460 | -0,7 | -514,280 |
| 1998 1 | 73.579,443 | 2,8 | 2.008,560 | -0,7 | -537,420 |
| 1997 12 | 74.116,868 | 3,5 | 2.532,570 | 2,4 | 1.711,700 |
| 1997 11 | 72.405,171 | 3,1 | 2.145,760 | -0,3 | -249,100 |