Data          [1]      [2]      [3]      [4]      [5]
bal. 12      21.9        0      3.1        0        0
bal. 13      17.5        0      2.5      7.5      2.5
bal. 14      12.5      4.2        0      2.1        0
bal. 15      19.3      3.5      1.8        0        0
bal. 16      20.5      2.6      2.6        0        0
bal. 17      18.2      2.3      2.3        0        0
bal. 18       9.8      2.4      2.4        0      2.4
bal. 19       9.7        0      3.2      3.2        0
bal. 20       6.9      3.4      3.4        0        0
bal. 21       4.4      4.4        0      2.2        0
bal. 22      24.5        2        2        0        2
bal. 23       5.9      3.9        2        0      3.9
bal. 24      16.3        0      4.1        0        0
bal. 25       8.9      4.4      2.2      2.2      6.7
bal. 26       6.9        0      3.4        0      3.4
bal. 27      14.7        0      2.9      2.9        0
bal. 28        10        0      2.5        0        5
bal. 29       6.8      6.8      4.5      2.3      4.5
bal. 30       3.1      6.2      3.1        0        0
geg. 1          5        5        5        0        0
geg. 2        7.1     14.3        0        0        0
geg. 3         15        5        5        5        0
geg. 4         19      4.8      4.8        0      4.8
geg. 5       16.7     12.5      8.3        0        0
geg. 6       15.4      2.6      2.6        0        0
geg. 7       29.2      8.3      4.2      4.2        0
geg. 8       11.1        0      3.7        0        0
geg. 9         15        5        5        0        0
geg. 10        15       10        5        0        0
geg. 11        19      4.8      4.8        0      4.8
geg. 12       4.8        0      4.8        0      4.8
    viso      410      119      101     31.6     44.8