Data          [1]      [2]      [3]      [4]
bal. 19      18.9     67.9      1.9        0
bal. 20        14     71.9      1.8        0
bal. 21      15.6     66.7        0        0
bal. 22      44.8     34.5      3.4        0
bal. 23      17.9     57.1        0        0
bal. 24      42.3     38.5      3.8        0
bal. 25      34.8     34.8        0        0
bal. 26      28.6     42.9        0        0
bal. 27      36.4     40.9        0        0
bal. 28      37.5       25        0        0
bal. 29       8.3      8.3        0        0
bal. 30      69.2     15.4      7.7      7.7
geg. 1       21.4     21.4      7.1        0
geg. 2         25       50        0        0
geg. 3       21.7     21.7        0        0
geg. 4       16.7     38.9        0        0
geg. 5       36.4     22.7     13.6      9.1
geg. 6       37.5     37.5        0        0
geg. 7        1.3     87.5        0        0
geg. 8        4.3     93.2      1.7        0
geg. 9       12.6     79.3      3.4        0
geg. 10      21.2     69.7        3        0
geg. 11      17.1     46.3      2.4      2.4
geg. 12      22.2     77.8        0        0
geg. 13       3.2      7.1     0.65     0.65
geg. 14        25     45.8        0        0
geg. 15       2.1     92.3      0.7        0
geg. 16       4.4     13.3      2.2      2.2
geg. 17       9.7     32.3      3.2        0
geg. 18      33.3     38.9        0        0
geg. 19      22.7     40.9        0      4.5
    viso      706     1421     56.8     26.6