Data          [1]      [2]      [3]      [4]      [5]
bal. 13      23.3       20       10     33.3        0
bal. 14      21.7     30.4      8.7     26.1      4.3
bal. 15        16       48        4       28        0
bal. 16      11.1     51.9      7.4     18.5        0
bal. 17      25.9       37      7.4     22.2        0
bal. 18        24       28       12       24        4
bal. 19      13.6     45.5     13.6      9.1      4.5
bal. 20      21.4     21.4     14.3     35.7        0
bal. 21      22.7     40.9      9.1     18.2        0
bal. 22      18.5     40.7      3.7     18.5      3.7
bal. 23      26.7     36.7      6.7     23.3      3.3
bal. 24      20.8     37.5      8.3     16.7      4.2
bal. 25      23.8     33.3       19       19        0
bal. 26       9.1     45.5      4.5     36.4        0
bal. 27      30.4     26.1      4.3     26.1        0
bal. 28      15.6     43.8      6.2     18.8      3.1
bal. 29        25     39.3      7.1     10.7      7.1
bal. 30        25     35.7     14.3     10.7      3.6
geg. 1       38.1     23.8     14.3      9.5        0
geg. 2       22.7     31.8     13.6     18.2      4.5
geg. 3         28       24       12       28        4
geg. 4       20.8     29.2      8.3     16.7      8.3
geg. 5       17.9     46.4      7.1     14.3      3.6
geg. 6         25     43.8      6.2     15.6        0
geg. 7       25.8     48.4      9.7      9.7      3.2
geg. 8       21.7     43.5      8.7     21.7        0
geg. 9         12       40       12       24        4
geg. 10      28.6     39.3      7.1     17.9      3.6
geg. 11        10     46.7       10       20      6.7
geg. 12        32       36        8       20        0
geg. 13      27.3     36.4      9.1     13.6        0
    viso      685     1151      287      625     75.9