| Fecha | M.M. PTAS | Variac. año anterior | Variac. período anterior | ||
|---|---|---|---|---|---|
| % | Valor | % | Valor | ||
| 1998 12 | 103.916,000 | 8,1 | 7.748,000 | 2,0 | 2.055,000 |
| 1998 11 | 101.861,000 | 6,6 | 6.269,600 | 1,0 | 1.013,000 |
| 1998 10 | 100.848,000 | 6,7 | 6.286,500 | 0,3 | 300,000 |
| 1998 9 | 100.548,000 | 6,7 | 6.271,500 | 1,3 | 1.326,000 |
| 1998 8 | 99.222,000 | 5,6 | 5.273,300 | -0,6 | -600,000 |
| 1998 7 | 99.822,000 | 7,3 | 6.812,900 | 0,4 | 391,000 |
| 1998 6 | 99.431,000 | 8,0 | 7.333,300 | 1,3 | 1.316,000 |
| 1998 5 | 98.115,000 | 7,1 | 6.531,700 | 0,7 | 693,000 |
| 1998 4 | 97.422,000 | 7,4 | 6.739,800 | -0,4 | -409,700 |
| 1998 3 | 97.831,703 | 8,1 | 7.287,600 | 0,2 | 173,600 |
| 1998 2 | 97.658,102 | 8,7 | 7.834,700 | 0,8 | 774,600 |
| 1998 1 | 96.883,500 | 8,7 | 7.753,300 | 0,7 | 715,500 |
| 1997 12 | 96.168,000 | 8,9 | 7.882,000 | 0,6 | 576,600 |
| 1997 11 | 95.591,398 | 9,4 | 8.201,300 | 1,1 | 1.029,900 |