Data          [1]      [2]      [3]      [4]
bal. 19      76.5     11.8      5.9      5.9
bal. 20      76.5     11.8      5.9      5.9
bal. 21      68.8     18.8        0     12.5
bal. 22      68.8     18.8        0     12.5
bal. 23      77.8     11.1        0     11.1
bal. 24        75       15        0       10
bal. 25      86.4        0      4.5      9.1
bal. 26      84.2        0      5.3     10.5
bal. 27      84.2        0      5.3     10.5
bal. 28      84.2        0      5.3     10.5
bal. 29      84.2        0      5.3     10.5
bal. 30      83.3        0     11.1      5.6
geg. 1       73.3     13.3      6.7      6.7
geg. 2         75      8.3      8.3      8.3
geg. 3       76.9      7.7      7.7      7.7
geg. 4       81.2     12.5        0      6.2
geg. 5       93.3        0        0      6.7
geg. 6       93.8        0        0      6.2
geg. 7       93.8        0        0      6.2
geg. 8       88.2      5.9        0      5.9
geg. 9       88.9      5.6        0      5.6
geg. 10      88.2      5.9        0      5.9
geg. 11      86.7      6.7        0      6.7
geg. 12      86.7      6.7        0      6.7
geg. 13      93.8        0        0      6.2
geg. 14      86.7      6.7        0      6.7
geg. 15      84.6      7.7        0      7.7
geg. 16        80       10        0       10
geg. 17      77.8     11.1        0     11.1
geg. 18        75     12.5        0     12.5
geg. 19        75        0     12.5     12.5