Data          [1]      [2]      [3]      [4]
bal. 9         20     33.3      6.7        0
bal. 10      17.6     17.6      5.9     11.8
bal. 11      33.3     16.7      5.6      5.6
bal. 12      22.2     38.9     11.1        0
bal. 13       8.3     41.7      8.3      8.3
bal. 14      18.8       50      6.2     12.5
bal. 15       6.2     43.8      6.2     18.8
bal. 16      18.8     18.8     12.5      6.2
bal. 17         0     53.3     13.3      6.7
bal. 18       6.2     43.8      6.2     12.5
bal. 19      16.7     16.7     16.7     16.7
bal. 20      27.3     27.3      9.1      4.5
bal. 21        25     41.7      8.3      8.3
bal. 22      26.7     13.3     13.3        0
bal. 23      18.2     45.5     18.2      9.1
bal. 24       8.3     33.3      8.3        0
bal. 25         0     46.2      7.7      7.7
bal. 26      11.8     23.5      5.9      5.9
bal. 27       9.1     54.5      9.1        0
bal. 28      15.4     53.8      7.7        0
bal. 29        25       25     12.5     12.5
bal. 30      31.6     26.3      5.3     10.5
geg. 1       27.3     18.2      9.1      9.1
geg. 2        9.1     18.2     18.2      9.1
geg. 3         25       30       10        0
geg. 4        9.1     36.4      9.1        0
geg. 5       11.1     44.4     11.1        0
geg. 6         10       30       20        0
geg. 7       23.1     23.1        0        0
geg. 8       12.5     37.5        0     12.5
geg. 9          0     33.3     16.7        0
    viso      494     1036      298      188