Data          [1]      [2]      [3]
bal. 3       73.5     12.2        2
bal. 4         80     13.3      2.2
bal. 5         50       14        2
bal. 6       77.8     14.8        0
bal. 7       61.4     14.3      1.4
bal. 8       66.7     10.1        0
bal. 9       72.5       15        0
bal. 10      84.3      3.9        2
bal. 11      72.3     19.1      4.3
bal. 12      87.5      6.2        0
bal. 13      82.5      7.5        0
bal. 14      86.7      6.7        0
bal. 15      81.8      5.5      3.6
bal. 16      81.6     10.5        0
bal. 17      70.5      9.1      4.5
bal. 18      78.6     11.9      7.1
bal. 19      88.2      5.9        0
bal. 20        90      3.3      3.3
bal. 21        86      4.7      2.3
bal. 22        83      6.4      4.3
bal. 23        90        6        4
bal. 24      77.6     12.2        2
bal. 25      81.8      9.1        0
bal. 26      80.6      6.5        0
bal. 27      83.3      8.3      2.8
bal. 28      84.6     10.3        0
bal. 29        81      7.1        0
bal. 30      90.3      3.2        0
geg. 1       85.7      4.8        0
geg. 2       85.7      7.1        0
geg. 3       64.7     23.5      5.9
    viso     2460      293     53.8