Data          [1]      [2]      [3]      [4]
bal. 9       83.3      7.4      6.5      2.8
bal. 10      81.1      8.5      9.4     0.94
bal. 11      78.8     12.1      5.1        3
bal. 12        84      6.6      7.5      1.9
bal. 13      79.2     11.9      5.9        3
bal. 14      67.3     11.2     14.3      6.1
bal. 15        84        4       11        0
bal. 16      87.1      6.5      4.3      2.2
bal. 17      75.9     11.6     10.7      1.8
bal. 18        87      6.5      1.1      4.3
bal. 19      94.8      5.2        0        0
bal. 20      92.5      6.5        0     0.93
bal. 21      83.8      9.1        3        4
bal. 22      88.6      3.8      6.3        0
bal. 23      88.2      5.3      1.3      5.3
bal. 24      93.1      4.9        2        0
bal. 25      87.9      5.5      6.6        0
bal. 26      86.5     10.1      2.2        0
bal. 27      94.9        4        1        0
bal. 28      73.9     23.9      2.2        0
bal. 29      95.3      1.9      1.9        0
bal. 30      91.2      5.9     0.98        2
geg. 1       85.4     13.5        1        0
geg. 2       90.4      7.2      2.4        0
geg. 3       91.9      4.1      2.7      1.4
geg. 4       82.9     13.4      2.4      1.2
geg. 5       78.8     14.1      4.7      2.4
geg. 6       85.4     11.2        0      2.2
geg. 7       94.1      4.7      1.2        0
geg. 8       85.9      7.7      2.6      1.3
geg. 9       83.6     15.1      1.4        0
    viso     2657      263      122     46.7