Data          [1]      [2]      [3]      [4]      [5]
bal. 23      26.8     22.6     11.5       13      5.6
bal. 24      24.8     19.2     11.7     12.3      8.3
bal. 25      27.8     20.9     11.1     11.1      6.5
bal. 26        35     19.1      6.1     10.5      5.9
bal. 27      28.7       22      6.3     10.5      4.6
bal. 28        28       19     11.1     11.1      6.9
bal. 29        25     22.3        9     11.8      6.8
bal. 30      25.8     20.8     10.3     15.3      6.3
geg. 1       29.8     15.3       10     15.1      4.9
geg. 2       34.3     16.7      8.9     13.6      4.7
geg. 3       30.7     19.5      8.6     14.7      3.5
geg. 4       30.9     20.1      8.5     14.4      4.2
geg. 5       28.2       21     10.9     13.1      3.5
geg. 6       27.8     19.8     11.2     12.9      4.3
geg. 7       24.5     18.1     12.4     13.5        5
geg. 8       27.9     14.6      9.4     14.6      5.7
geg. 9       30.8     18.6      9.6     13.3      3.4
geg. 10      31.7     14.9      7.1     14.7      3.9
geg. 11      32.4     15.1      8.1     12.8      6.3
geg. 12      27.3     19.7     10.8       14      4.2
geg. 13      30.2       21        9     10.4        6
geg. 14        25     21.6      8.8     13.7      6.5
geg. 15      25.1     21.8      9.8     12.2      6.1
geg. 16      28.6     19.8      9.2     13.7      4.5
geg. 17      28.2     14.5     10.3       15      6.6
geg. 18      27.7     20.1      9.2     15.1      6.4
geg. 19      26.6     20.7      9.1     14.5      5.6
geg. 20      24.9     21.2     10.8     15.1        6
geg. 21      24.3     22.4      9.7     14.4      5.3
geg. 22      24.9     21.7     10.7     14.5      5.3
geg. 23      28.9     19.5     11.6     12.1        6
    viso      873      604      301      413      169