_id	Region	2017	2018	Change
1	Denver	2.6	2.5	-0.1
2	Nashville	2.8	2.5	-0.3
3	Minneapolis	3.2	2.7	-0.5
4	Austin	3.2	3	-0.2
5	Milwaukee	3.5	3	-0.5
6	Boston	3.5	3.1	-0.4
7	Indianapolis	3.3	3.2	-0.1
8	Benchmark avg	3.8	3.5	-0.4
9	St. Louis	3.8	3.5	-0.3
10	Charlotte	4.2	3.7	-0.5
11	Cincinnati	4.4	3.8	-0.6
12	Philadelphia	4.7	3.9	-0.8
13	Pittsburgh	5	3.9	-1.1
14	Seattle	4.1	3.9	-0.2
15	Baltimore	4.3	4.1	-0.2
16	Detroit	4.1	4.4	0.3
17	Cleveland	5.7	4.8	-0.9