Data          [1]      [2]      [3]
bal. 13      54.5     36.4        0
bal. 14        50     37.5        0
bal. 15      44.4     22.2        0
bal. 16        50     33.3        0
bal. 17        50       25        0
bal. 18      85.7     14.3        0
bal. 19      77.8     22.2        0
bal. 20      33.3     33.3        0
bal. 21        75     12.5        0
bal. 22      57.1     28.6     14.3
bal. 23        50     16.7        0
bal. 24      33.3       25        0
bal. 25        50       25        0
bal. 26       100        0        0
bal. 27      66.7     33.3        0
bal. 28      77.8     22.2        0
bal. 29      71.4     28.6        0
bal. 30      41.2     41.2      5.9
geg. 1       61.5     15.4        0
geg. 2         75       25        0
geg. 3         50     33.3        0
geg. 4         25       25        0
geg. 5         70       30        0
geg. 6         75       25        0
geg. 7       57.1     28.6        0
geg. 8       85.7        0     14.3
geg. 9       83.3     16.7        0
geg. 10        80       10        0
geg. 11      62.5     12.5        0
geg. 12      27.3     63.6        0
geg. 13        70       10       10
    viso     1891      752     44.5