Infiltration
| ||
| 2001 | 2002 | |
Jan | 154 | 38 |
Feb | 109 | 65 |
Mar | 119 | 37 |
Apr | 126 | 118 |
May | 184 | 182 |
Jun | 318 | 109 |
Jul | 236 | 99 |
Aug | 284 | 208 |
Sep | 267 | 284 |
Oct | 231 | 190 |
Nov | 187 | 127 |
Dec | 263 | - |
| Total | 2,478 | 1,457 |