Theoretical Norm
1 = <110
2 = 110
3 = 115
4 = 120
5 = 124 x
6 = 128
7 = 132 xo
8 = 136
9 = 140 xx
10 = 144 x
11 = 148 o
12 = 151 x
13 = 154 x
14 = 157 x
15 = 160
16 = 163 x
17 = 166
18 = 169
19 = 172
20 = 175
1 = <110
2 = 110
3 = 115
4 = 120
5 = 124 x
6 = 128
7 = 132 xo
8 = 136
9 = 140 xx
10 = 144 x
11 = 148 o
12 = 151 x
13 = 154 x
14 = 157 x
15 = 160
16 = 163 x
17 = 166
18 = 169
19 = 172
20 = 175