Houston	KansasCity	Norfolk	Oakland
20.4	14.8	13.1	15.4
2.4	13.3	20.5	17
10.4	11.4	11.6	16.8
13.1	16.3	11.7	19.5
11.8	19.8	13.6	3.5
9.8	23.3	14.3	21.4
9.7	4.5	14.8	21.5
11.8	18	9.4	5.3
7.6	20.5	13.4	9.4
15.7	14.4	15	11.1
21.6	5.4	15.3	13.7
8	24.4	12	13.9
7.3	29.4	11.1	18.9
8.3	9.4	17.8	5.5
4.7	16	5.1	15.6
5.2	15.6	15.7	6.9
6	9.8	20	11.3
6.5	21.8	14.4	6.7
9.7	24.7	22.1	11
6.4	12.3	17.2	15.3
NA	11.1	12.7	10.2
NA	NA	4.8	21
NA	NA	NA	10.2
NA	NA	NA	19.7
NA	NA	NA	6.5
