Table 1: Frequency of Spectral peaks (Alvados)
 1 7000-8000  2
 2 6000-7000  0
 3 5000-6000  1
 4 4000-5000  2
 5 3000-4000  0
 6 2000-3000  4
 7 1000-2000  3
 8  900-1000  1
 9  800-900   2
10  700-800   2
11  600-700   3
12  500-600   0
13  400-500   0
14  300-400   3
15  200-300   4
16  150-200   4
17  100-150   8
18   50-100   9