Data          [1]      [2]      [3]      [4]      [5]
bal. 13      27.3     20.9     13.3      8.3      4.3
bal. 14      25.4     21.8     12.5      9.3      2.8
bal. 15      26.5     20.8     14.2     10.6      6.2
bal. 16      26.7     22.6     14.4      9.6      3.1
bal. 17      24.2     24.2     17.4      9.4      5.2
bal. 18      24.2     21.9     14.1     10.5      3.7
bal. 19        29     17.7     14.1     10.5      6.4
bal. 20      28.6     18.6     14.3      9.9      3.6
bal. 21      27.5     23.1     11.5     10.7      1.9
bal. 22        28     22.7      9.9     10.7      3.2
bal. 23      26.8     22.6       13     11.5      3.3
bal. 24      24.8     19.2     12.3     11.7      5.2
bal. 25      27.8     20.9     11.1     11.1      4.6
bal. 26        35     19.1     10.5      6.1      6.9
bal. 27      28.7       22     10.5      6.3      5.2
bal. 28        28       19     11.1     11.1      5.2
bal. 29        25     22.3     11.8        9      3.6
bal. 30      25.8     20.8     15.3     10.3      3.8
geg. 1       29.8     15.3     15.1       10      5.6
geg. 2       34.3     16.7     13.6      8.9      5.4
geg. 3       30.7     19.5     14.7      8.6        6
geg. 4       30.9     20.1     14.4      8.5      4.7
geg. 5       28.2       21     13.1     10.9      5.5
geg. 6       27.8     19.8     12.9     11.2      4.7
geg. 7       24.5     18.1     13.5     12.4      5.2
geg. 8       27.9     14.6     14.6      9.4        6
geg. 9       30.8     18.6     13.3      9.6      5.1
geg. 10      31.7     14.9     14.7      7.1      3.7
geg. 11      32.4     15.1     12.8      8.1      4.5
geg. 12      27.3     19.7       14     10.8      4.2
geg. 13      30.2       21     10.4        9      2.7
    viso      876      615      408      301      142