Data          [1]      [2]      [3]      [4]      [5]
bal. 13        72        8        4        8        4
bal. 14      70.8      4.2        0      4.2     16.7
bal. 15        71     12.9        0      3.2     12.9
bal. 16        73      2.7      5.4      8.1      8.1
bal. 17      67.6     14.7      2.9      5.9      8.8
bal. 18      43.5     21.7     17.4      4.3       13
bal. 19        75       20        5        0        0
bal. 20        75       10        0        0       10
bal. 21      62.1     27.6        0      6.9      3.4
bal. 22      71.4       20      2.9      2.9      2.9
bal. 23      67.7     16.1      3.2      3.2      9.7
bal. 24        70       20      6.7        0      3.3
bal. 25      65.4     26.9        0      3.8      3.8
bal. 26      58.1       29      3.2        0      3.2
bal. 27      71.9     15.6        0      3.1      3.1
bal. 28      75.5      8.2        0        0     10.2
bal. 29      66.7     18.2      6.1        0      6.1
bal. 30        70       20        0        0      3.3
geg. 1       55.6     33.3        0     11.1        0
geg. 2       90.9      9.1        0        0        0
geg. 3       54.5     27.3        0      9.1      9.1
geg. 4         75       25        0        0        0
geg. 5       62.5     18.8        0        0      6.2
geg. 6         40       30        0        0       20
geg. 7       54.5     36.4      9.1        0        0
geg. 8       76.9     23.1        0        0        0
geg. 9       71.4     14.3        0      4.8      9.5
geg. 10      73.3      6.7     13.3        0        0
geg. 11      83.3     11.1      5.6        0        0
geg. 12      72.2     16.7      5.6      5.6        0
geg. 13      73.9       13        0      4.3      4.3