Data          [1]      [2]      [3]      [4]
bal. 11      90.2      9.8        0        0
bal. 12      90.9      7.3      1.8        0
bal. 13      86.6     11.8      1.7        0
bal. 14      84.3     14.2      1.6        0
bal. 15      83.3     15.2      1.4        0
bal. 16      82.8     14.6      2.6        0
bal. 17        82     13.7      4.3        0
bal. 18      81.5     14.2      4.3        0
bal. 19      84.4     10.6        5        0
bal. 20      83.2     12.9      3.9        0
bal. 21      83.6     11.9      3.8     0.63
bal. 22      80.3     15.3      3.8     0.64
bal. 23      82.9     10.5      5.9     0.66
bal. 24      81.5     11.6      6.2     0.68
bal. 25      81.9     10.7      6.7     0.67
bal. 26      81.9     12.5        5     0.62
bal. 27      80.4     14.3      4.8      0.6
bal. 28      85.3      8.4      5.8     0.52
bal. 29      85.7      9.5      4.2     0.53
bal. 30      85.5      9.7      3.2      1.6
geg. 1       84.3      9.3      4.7      1.7
geg. 2       84.7      9.8      4.3      1.2
geg. 3       86.9      8.5      3.9     0.65
geg. 4         89      7.6      3.4        0
geg. 5         87      9.6      3.5        0
geg. 6       86.6     11.3      2.1        0
geg. 7       90.5      8.3      1.2        0
geg. 8       92.5        5      2.5        0
geg. 9         92      5.7      2.3        0
geg. 10      88.9      8.9      2.2        0
geg. 11      89.1      8.7      2.2        0