City	1	2	3	4	5	6	7	8	9	10
Atlanta	×		×		×	×	×	×	×
Austin	×	×		×	×	×	×	×	×	×
Baltimore	×	×	×		×			×	×
Buffalo	×				×			×	×
Chandler	×	×			×			×	×
Chicago	×	×	×	×	×	×	×	×	×	×
Cincinnati		×	×	×				×	×
Dallas			×			×	×	×	×	×
Denver	×			×	×	×	×	×	×	×
Detroit	×	×			×				×	×
Los Angeles	×		×	×	×	×	×		×
Louisville	×	×		×	×			×	×	×
Memphis	×			×	×	×	×	×	×	×
Milwaukee	×		×		×				×
Minneapolis					×	×	×	×	×
Nashville	×	×	×	×				×	×	×
New York	×		×		×	×	×			×
Norfolk	×			×	×			×	×	×
Omaha	×	×		×	×			×	×
Philadelphia	×	×	×		×	×	×	×		×
Phoenix	×	×			×	×	×	×	×	×
Pittsburgh	×	×	×		×	×	×	×		×
Raleigh	×	×			×	×	×	×	×	×
Riverside	×		×		×	×	×	×	×
Sacramento			×		×					×
San Francisco		×	×	×	×	×	×	×	×	×
Seattle	×	×			×			×	×	×
St. Louis	×	×	×	×	×	×	×	×	×	×
St. Paul		×	×	×	×	×	×		×	×
St. Petersburg	×	×			×	×	×	×	×	×
Washington	×	×	×		×			×	×
Number	25	19	17	13	28	18	18	25	27	20