Data          [1]      [2]      [3]
bal. 13      98.3      1.7        0
bal. 14      97.2      2.8        0
bal. 15      97.8      2.2        0
bal. 16      97.2      2.8        0
bal. 17      99.2      0.8        0
bal. 18      96.1      3.5        0
bal. 19        98        2        0
bal. 20      96.7      3.3        0
bal. 21      98.4      1.6        0
bal. 22      97.4      2.6        0
bal. 23        96        4        0
bal. 24      98.3      1.7        0
bal. 25      98.5      1.5        0
bal. 26      98.8      1.2        0
bal. 27      99.1     0.94        0
bal. 28      98.4      1.6        0
bal. 29      99.6     0.41        0
bal. 30      98.3      1.7        0
geg. 1       97.7      2.3        0
geg. 2       98.8      1.2        0
geg. 3       98.4      1.6        0
geg. 4       97.8      2.2        0
geg. 5       97.2      2.8        0
geg. 6       96.7      3.3        0
geg. 7       98.3      1.7        0
geg. 8         99     0.98        0
geg. 9       95.8      4.2        0
geg. 10      97.5      2.5        0
geg. 11      98.2      1.8        0
geg. 12        98        2        0
geg. 13      97.2      2.8        0