Data          [1]      [2]      [3]      [4]
bal. 9       71.1     15.8      2.6      2.6
bal. 10      73.8     16.7      7.1      2.4
bal. 11      84.4      4.4      2.2      4.4
bal. 12      87.2      7.7      2.6        0
bal. 13      82.4     11.8      2.9      2.9
bal. 14        71     19.4      3.2      3.2
bal. 15      73.3     24.4      2.2        0
bal. 16      71.1     15.8        0      2.6
bal. 17      74.4     11.6      2.3        0
bal. 18      84.2       14      1.8        0
bal. 19      71.4     17.9      3.6        0
bal. 20        75     21.4      3.6        0
bal. 21      65.2     17.4      4.3      4.3
bal. 22        65     27.5        5        0
bal. 23        63     25.9      3.7      3.7
bal. 24      75.7     13.5      2.7        0
bal. 25      79.7     16.9      1.7        0
bal. 26      83.8      4.4      8.8      2.9
bal. 27      72.2     19.4      2.8        0
bal. 28      69.8     18.6      9.3        0
bal. 29      83.3      9.5      4.8        0
bal. 30      63.6     13.6      9.1      9.1
geg. 1         86      4.7      2.3      2.3
geg. 2       77.4     12.9      9.7        0
geg. 3       89.9      3.8      3.8        0
geg. 4       64.3     28.6      7.1        0
geg. 5       66.7     16.7      4.2      4.2
geg. 6       77.1     16.7      2.1        0
geg. 7       77.1      8.6      2.9      5.7
geg. 8       74.4       14        7        0
geg. 9       67.9     17.9      3.6      3.6
    viso     2321      471      129     54.1