Data          [1]      [2]      [3]      [4]      [5]
bal. 12      17.1     10.4      3.4      3.3        2
bal. 13      17.4     10.3      3.2      2.6      1.7
bal. 14      17.2     11.2      2.9      2.9      1.3
bal. 15      16.5     11.7      2.4      2.7      1.8
bal. 16      16.8     12.7      2.4      2.4      1.5
bal. 17      16.7     11.9      2.2      3.2      2.2
bal. 18      15.3     12.1      2.4      2.9      1.9
bal. 19      16.1     11.9      2.3      3.4      2.7
bal. 20      17.6     11.9      2.5      3.4      1.5
bal. 21      16.5     11.4      1.9        3      2.7
bal. 22      16.4     11.8      1.8        3      4.1
bal. 23        16     11.6      1.8        3      1.5
bal. 24      16.2     12.1      2.1      3.3      2.5
bal. 25        16     10.4      1.9      3.5      2.3
bal. 26      17.4     11.2      2.6      3.8      2.1
bal. 27      17.3     11.7      2.3      3.8      1.9
bal. 28        16     13.1      1.6      2.9      1.2
bal. 29        16     12.8      1.7      2.4      1.8
bal. 30      16.1     12.2      1.7      3.1      1.7
geg. 1       21.4       10      3.2        3      1.3
geg. 2       20.5     11.3      3.1      3.3     0.91
geg. 3       19.6     12.7        3      3.4     0.72
geg. 4       18.8     11.3      2.6        3     0.51
geg. 5       17.9     12.3      2.4      2.7     0.57
geg. 6       17.2     13.9      2.7      2.9     0.33
geg. 7       17.1     12.5      2.3        3     0.41
geg. 8         19     12.6      2.4      3.6     0.28
geg. 9       17.2     13.9      2.3      3.8     0.26
geg. 10      15.7     18.5      2.4      3.1     0.25
geg. 11      17.5     12.6      2.4      3.3     0.38
geg. 12      19.5     11.1      2.7      2.7     0.28
    viso      536      375     74.5     96.5     44.6