Data          [1]      [2]      [3]      [4]      [5]
bal. 9         25     39.3     14.3      5.4      3.6
bal. 10        26     45.2      9.6      9.6        0
bal. 11        25     40.9        0      4.5      9.1
bal. 12      23.8       31      4.8      7.1      4.8
bal. 13      30.9     36.8      4.4      7.4      4.4
bal. 14      30.4     43.5        0      4.3      6.5
bal. 15      37.7     36.1      6.6      6.6      1.6
bal. 16      34.5     32.8      6.9      5.2      3.4
bal. 17      36.6     31.7      4.9      9.8      9.8
bal. 18      28.6     34.3      8.6     14.3      2.9
bal. 19      27.5      9.8      9.8      7.8      9.8
bal. 20      27.7     19.1      8.5     12.8     10.6
bal. 21      30.6     33.3      8.3      5.6      2.8
bal. 22      20.8     35.8     11.3      3.8      9.4
bal. 23      42.2     17.8     11.1      8.9      2.2
bal. 24      22.2     37.8     11.1      4.4      8.9
bal. 25      21.7     34.8      8.7      8.7      4.3
bal. 26      31.4     29.4      3.9      5.9      3.9
bal. 27      26.7     48.9      4.4      6.7      6.7
bal. 28      34.5       40        0      5.5      5.5
bal. 29      36.4     22.7     11.4     11.4      2.3
bal. 30        37     18.5      7.4       13      5.6
geg. 1       34.1     18.2      9.1      6.8      4.5
geg. 2         30       25        0      7.5        5
geg. 3         20     43.6      3.6      7.3        0
geg. 4       25.9       50        0     10.3      3.4
geg. 5       28.9       40        0      6.7      2.2
geg. 6       37.8     21.6     13.5      5.4      2.7
geg. 7         28       18        2       10        6
geg. 8       22.5     27.5      7.5        5        5
geg. 9       15.2     21.2     12.1        3      9.1
    viso      899      985      204      230      156