Data          [1]      [2]      [3]      [4]
bal. 16      68.8     12.5     12.5      6.2
bal. 17      33.3     41.7      8.3      8.3
bal. 18      52.9     23.5      5.9      5.9
bal. 19      45.5     18.2        0      9.1
bal. 20      33.3     44.4     22.2        0
bal. 21      78.3       13        0      8.7
bal. 22        60     13.3      6.7      6.7
bal. 23        50       20        0       10
bal. 24      53.8     23.1      7.7        0
bal. 25      72.2     11.1        0      5.6
bal. 26      44.4     33.3        0     11.1
bal. 27        50     16.7        0     16.7
bal. 28      85.7     14.3        0        0
bal. 29      42.9     21.4      7.1     21.4
bal. 30      61.5     23.1        0        0
geg. 1         50       25        0        0
geg. 2       55.6     11.1        0     22.2
geg. 3         50       25       25        0
geg. 4         80       20        0        0
geg. 5       62.5     12.5        0     12.5
geg. 6         80        0        0        0
geg. 7       57.1        0     14.3        0
geg. 8       63.6        0      9.1        0
geg. 9       83.3        0     16.7        0
geg. 10       100        0        0        0
geg. 11      88.9        0     11.1        0
geg. 12      61.5      7.7        0      7.7
geg. 13      42.9     14.3        0        0
geg. 14      42.9        0        0     14.3
geg. 15        60       10        0        0
geg. 16        50        0        0       50
    viso     1861      455      147      216