Data          [1]      [2]      [3]      [4]      [5]
bal. 8         21     22.3     14.3     12.7       12
bal. 9       20.4     21.4     16.9     10.4     10.4
bal. 10        24     24.4     15.8     11.4     11.8
bal. 11      20.4     25.1     16.3       12     12.5
bal. 12      14.9     29.4     16.6     12.5     11.1
bal. 13      16.4     25.2     13.1     12.6     16.2
bal. 14      20.8     24.1     15.7     10.8       11
bal. 15        18     25.1     15.6     12.2     12.4
bal. 16        23     20.5     16.8     10.9     12.3
bal. 17        21       23     15.8     11.6     11.8
bal. 18      22.3       23       15     11.1     11.1
bal. 19      11.3     31.2     13.3     14.1     11.3
bal. 20      14.3     27.8     15.5     11.1     13.6
bal. 21      21.4     21.4     16.6     10.5     11.1
bal. 22      22.1     25.6     13.8     10.5      9.9
bal. 23      21.2     24.9     13.6     11.5     10.7
bal. 24      20.8     20.6     13.5     11.5     15.1
bal. 25      20.3     24.4     13.4     12.9     11.1
bal. 26      15.4     24.8     15.7     11.5     16.4
bal. 27      18.9     24.7       13     12.2       14
bal. 28      19.6     24.8     15.1     13.3     10.7
bal. 29        22     22.9     15.2     12.2     12.4
bal. 30      21.8     23.5     13.6     11.9       12
geg. 1         14     31.2     10.5      9.1     13.7
geg. 2       15.7     27.2     14.1     12.4     15.7
geg. 3         13     30.5     12.6     10.7       14
geg. 4         15     29.6       14     11.6     14.2
geg. 5       22.1     24.1     13.8     10.7       12
geg. 6       22.1     26.6     14.9      7.4     10.8
geg. 7       19.2     25.3     14.2     10.9     12.4
geg. 8       17.7     24.7     14.8     10.9     15.1