17
17
17.28
17.28
18
18
18
18
18
18
18
18
18
18
18
18
18
18
18
18
18
18
18
18
18
18
18
18
18
18.5
18.7
18.8
18.8
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19