Data          [1]      [2]      [3]      [4]
bal. 10      91.6        5      2.1      1.3
bal. 11      91.4      5.1        2      1.4
bal. 12      91.4      5.1      2.1      1.4
bal. 13      91.5        5      2.1      1.4
bal. 14      91.6        5      2.1      1.3
bal. 15      91.6        5        2      1.3
bal. 16      91.9      4.9      1.9      1.3
bal. 17        92      4.7      1.9      1.3
bal. 18        92      4.7      1.9      1.4
bal. 19        92      4.7      1.9      1.4
bal. 20      91.8      4.7        2      1.4
bal. 21      91.8      4.7      2.2      1.3
bal. 22      91.5        5      2.2      1.4
bal. 23      91.4        5      2.2      1.4
bal. 24      91.5      4.9      2.3      1.4
bal. 25      91.4      4.9      2.2      1.5
bal. 26      91.4      4.9      2.2      1.5
bal. 27      91.3      4.9      2.2      1.5
bal. 28      91.5      4.9      2.3      1.4
bal. 29      91.4        5      2.2      1.4
bal. 30      91.6      4.9      2.2      1.3
geg. 1       91.8      4.8      2.1      1.2
geg. 2         92      4.7      2.1      1.2
geg. 3       92.1      4.6      2.1      1.1
geg. 4       92.1      4.7      2.1      1.1
geg. 5       92.3      4.6      1.9      1.1
geg. 6       92.5      4.5      1.9      1.1
geg. 7       92.6      4.4      1.9      1.1
geg. 8       92.6      4.3        2      1.1
geg. 9       92.5      4.4        2      1.1
geg. 10      92.5      4.3        2      1.2