Data          [1]      [2]      [3]      [4]      [5]
bal. 17      20.7      1.7     0.83        0     0.83
bal. 18      33.9     0.87        0        0        0
bal. 19      29.8      2.4        0        0        0
bal. 20      25.8        0      1.1        0        0
bal. 21      23.6      2.1     0.71     0.71        0
bal. 22      22.7        0      1.4        0        0
bal. 23      27.9      1.4        0        0        0
bal. 24      27.6      1.5        0        0        0
bal. 25        22      1.6        0        0        0
bal. 26      22.3      1.9        0        0        0
bal. 27      30.9        0        0        0        0
bal. 28      30.7      1.6        0        0        0
bal. 29      25.9      1.7        0        0        0
bal. 30      28.7      1.7      2.6        0        0
geg. 1       44.3      1.1        0        0        0
geg. 2       27.7      2.1      1.1        0        0
geg. 3       31.3        3        0        0        0
geg. 4       30.8      1.9     0.96        0        0
geg. 5       24.5     0.94        0        0     0.94
geg. 6       34.9      1.6     0.78        0        0
geg. 7       25.4      1.5     0.75        0        0
geg. 8       34.1      2.3      1.1        0        0
geg. 9       28.8      1.7      1.7        0        0
geg. 10      28.8      1.4      1.4        0        0
geg. 11      28.7      2.3      1.1        0        0
geg. 12      29.4      1.7      1.7        0        0
geg. 13      29.5      1.6        0        0        0
geg. 14      29.3      2.1        0        0        0
geg. 15      36.1      2.8     0.93        0        0
geg. 16      28.4        0      1.1        0        0
geg. 17      23.5      3.7      1.2        0        0
    viso      888     50.2     20.4     0.71      1.8