| Fecha | Porcentaje | Variac. año anterior | Variac. período anterior | ||
|---|---|---|---|---|---|
| % | Valor | % | Valor | ||
| 1998 07 | 26 | 2.500,0 | 25 | 4,0 | 1 |
| 1998 06 | 25 | 1.150,0 | 23 | -10,7 | -3 |
| 1998 05 | 28 | 2.700,0 | 27 | 3,7 | 1 |
| 1998 04 | 27 | -3,6 | -1 | ||
| 1998 03 | 28 | -3,5 | -1 | ||
| 1998 02 | 29 | 2.800,0 | 28 | 3,6 | 1 |
| 1998 01 | 28 | 2.700,0 | 27 | 3,7 | 1 |
| 1997 12 | 27 | 1.250,0 | 25 | 2.600,0 | 26 |
| 1997 11 | 1 | -50,0 | -1 | ||
| 1997 10 | 0 | -100,0 | -3 | ||
| 1997 09 | 0 | -100,0 | -3 | ||
| 1997 08 | 0 | -100,0 | -4 | -100,0 | -1 |
| 1997 07 | 1 | -75,0 | -3 | -50,0 | -1 |
| 1997 06 | 2 | -60,0 | -3 | 100,0 | 1 |