Table 2.
Diff. (mm) | No. of sites | Percentage (%) | |
---|---|---|---|
−2 | 2 | 0.9 | |
−1.5 | 3 | 1.3 | |
−1 | 18 | 7.8 | 43.6% |
−0.5 | 78 | 33.6 | |
0 | 59 | 25.4 | |
0.5 | 19 | 8.2 | |
1 | 28 | 12.1 | |
1.5 | 7 | 3 | |
2 | 10 | 4.3 | |
2.5 | 3 | 1.3 | 31.1% |
3 | 3 | 1.3 | |
3.5 | 2 | 0.9 |
Total no. of sites measured = 232.