Data          [1]      [2]      [3]
bal. 8       90.8      7.7      1.5
bal. 9       85.2     14.8        0
bal. 10      85.1     13.4      1.5
bal. 11      81.4     18.6        0
bal. 12      83.7     16.3        0
bal. 13      84.6     12.3      3.1
bal. 14      92.9      7.1        0
bal. 15      91.5      6.8      1.7
bal. 16      94.9      5.1        0
bal. 17      88.1      9.5      2.4
bal. 18      85.3     14.7        0
bal. 19      73.6     24.5      1.9
bal. 20      77.8       20      2.2
bal. 21      91.7      5.6      2.8
bal. 22      83.7     14.3        2
bal. 23      90.9      9.1        0
bal. 24      84.4     13.3      2.2
bal. 25      91.5      8.5        0
bal. 26        88       12        0
bal. 27      88.6      9.1      2.3
bal. 28      86.8     13.2        0
bal. 29      91.3      6.5      2.2
bal. 30      73.7     26.3        0
geg. 1       84.4     15.6        0
geg. 2       97.8      2.2        0
geg. 3       88.9     11.1        0
geg. 4       89.7     10.3        0
geg. 5       89.2      8.1      2.7
geg. 6       88.6     11.4        0
geg. 7         84       16        0
geg. 8       92.7      7.3        0