Data          [1]      [2]      [3]      [4]      [5]
bal. 13      35.4     26.3      1.3        1        1
bal. 14      28.2     25.2      1.9      1.9        1
bal. 15      29.4       25      1.8      2.1     0.98
bal. 16      28.8     25.7      1.9        2      1.1
bal. 17        30     24.6      1.9      2.1     0.95
bal. 18      28.9     24.8      1.9      1.8        1
bal. 19        30     24.3      1.6      1.3      1.2
bal. 20      30.1     26.2      1.6      1.2      1.3
bal. 21      27.7     26.1      1.9      1.8        1
bal. 22      27.5     26.3      2.1      1.7      1.1
bal. 23      27.3     25.7        2      1.8      1.2
bal. 24      28.6     25.9        2      1.8     0.97
bal. 25      31.3     25.1      1.8      1.6     0.96
bal. 26      31.2     25.5      1.4      1.1        1
bal. 27      29.3     26.5      1.5      1.2        1
bal. 28      28.5     25.1      1.9      1.9        1
bal. 29      29.4     25.1      1.9      1.8     0.93
bal. 30        29     26.3      1.9      1.6      1.1
geg. 1       31.6     22.8      1.3     0.93     0.89
geg. 2       28.8       25      1.3      1.2      1.1
geg. 3       30.6     26.3      1.4      1.4      1.2
geg. 4       29.6     26.2      1.5      1.3      1.1
geg. 5       28.6     25.6      1.8      1.7      1.1
geg. 6       29.1     25.3      1.9      1.7      1.1
geg. 7       28.4     26.2      1.9      1.7        1
geg. 8       29.8     26.1      1.5      1.4      1.3
geg. 9       31.8     24.3      1.8      1.6      1.1
geg. 10      30.5     21.7      1.7      1.2      1.1
geg. 11      29.8     21.2      1.6      1.4      1.1
geg. 12      26.5     20.4      1.9      1.9        1
geg. 13        28     20.6      1.7      1.8      1.1
    viso      914      772     53.6     49.1     33.1