Table 1 Number of samples (dips) taken per area per year.
Year | Area 1 | Area 2 | Area 3 | Area 4 | Total |
|---|---|---|---|---|---|
2004 | 658 | 588 | 360 | 418 | 2024 |
2005 | 353 | 458 | 339 | 497 | 1647 |
2006 | 644 | 950 | 729 | 1022 | 3345 |
2007 | 856 | 823 | 621 | 855 | 3155 |
2008 | 723 | 658 | 677 | 717 | 2775 |
Total | 3234 | 3477 | 2726 | 3509 | 12946 |