Data          [1]      [2]      [3]      [4]
bal. 6         40     53.3      6.7        0
bal. 7         40       60        0        0
bal. 8       33.3     41.7        0       25
bal. 9       18.2     72.7      9.1        0
bal. 10        50     41.7        0      8.3
bal. 11      66.7     16.7     16.7        0
bal. 12        30       50       10        0
bal. 13      45.5     27.3     27.3        0
bal. 14        75       25        0        0
bal. 15      55.6     33.3        0     11.1
bal. 16      33.3     66.7        0        0
bal. 17        50       50        0        0
bal. 18      42.9     57.1        0        0
bal. 19      77.8     11.1        0        0
bal. 20      33.3     66.7        0        0
bal. 21      37.5       50     12.5        0
bal. 22      28.6     42.9        0     14.3
bal. 23      33.3     66.7        0        0
bal. 24      41.7       50      8.3        0
bal. 25        25       75        0        0
bal. 26        40       40        0        0
bal. 27      33.3       50     16.7        0
bal. 28      33.3     55.6        0        0
bal. 29      14.3     42.9        0        0
bal. 30      41.2     52.9        0        0
geg. 1       46.2     53.8        0        0
geg. 2       37.5       50     12.5        0
geg. 3       83.3     16.7        0        0
geg. 4         75       25        0        0
geg. 5         50       30       10        0
geg. 6         50       50        0        0