| Year | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 |
| JAN | – | 399 | 137 | 92 | 48 | 47 |
| FEB | – | 580 | 204 | 150 | 69 | 19 |
| MAR | – | 868 | 557 | 236 | 104 | 9 |
| APR | – | 678 | 373 | 174 | 69 | 2 |
| MAY | 3.124 | 512 | 414 | 133 | 63 | 3 |
| JUN | 4.816 | 631 | 557 | 123 | 59 | 1 |
| JUL | 4.626 | 620 | 286 | 124 | 61 | |
| AUG | 3.081 | 342 | 146 | 87 | 71 | |
| SEP | 3.315 | 421 | 97 | 110 | 72 | 1 |
| OCT | 1.512 | 353 | 58 | 74 | 53 | |
| NOV | 919 | 248 | 235 | 71 | 44 | |
| DEC | 890 | 230 | 157 | 58 | 44 | |
| Total | 22.276 | 5.882 | 3.221 | 1.416 | 757 | 83 |
