Data          [1]      [2]      [3]      [4]      [5]
bal. 18      78.6      9.5        0        0      7.1
bal. 19      88.2      5.9        0        0        0
bal. 20        90      3.3      3.3        0      3.3
bal. 21        86      4.7      2.3        0      2.3
bal. 22        83      6.4      4.3        0      2.1
bal. 23        90        6        0        0        4
bal. 24      77.6     10.2        2        0        2
bal. 25      81.8      9.1      6.8        0        0
bal. 26      80.6      6.5      9.7        0        0
bal. 27      83.3      8.3        0        0      2.8
bal. 28      84.6     10.3        0        0        0
bal. 29        81      7.1        0      2.4        0
bal. 30      90.3      3.2        0        0        0
geg. 1       85.7      4.8      4.8        0        0
geg. 2       85.7      7.1      7.1        0        0
geg. 3       64.7     23.5      5.9        0      5.9
geg. 4         75       15       10        0        0
geg. 5       70.8     16.7        0        0        0
geg. 6       57.1     31.4      5.7        0      2.9
geg. 7         80        4        4        0        0
geg. 8       66.7     18.5      3.7        0      3.7
geg. 9         65       20        5        0        5
geg. 10      71.4        0      4.8        0        0
geg. 11        85       15        0        0        0
geg. 12        60       30        0        0        0
geg. 13      84.4      6.2        0        0        0
geg. 14      82.6      4.3      4.3        0        0
geg. 15      86.2      3.4      3.4        0        0
geg. 16      71.4       19      4.8        0        0
geg. 17        87      8.7        0        0        0
geg. 18      66.7       19      4.8        0        0
    viso     2441      337     96.7      2.4     41.2