Frequencies for first 10,000 rows of hrrcity variable in ziphsahrr1998 dataset Hospital Referral | Regions (HRR) City | Freq. Percent Cum. -------------------------+----------------------------------- Albany | 501 5.01 5.01 Allentown | 200 2.00 7.01 Altoona | 117 1.17 8.18 Arlington | 253 2.53 10.71 Baltimore | 230 2.30 13.01 Bangor | 233 2.33 15.34 Binghamton | 104 1.04 16.38 Boston | 486 4.86 21.24 Bridgeport | 71 0.71 21.95 Bronx | 30 0.30 22.25 Buffalo | 193 1.93 24.18 Burlington | 259 2.59 26.77 Camden | 250 2.50 29.27 Charlottesville | 152 1.52 30.79 Danville | 154 1.54 32.33 Durham | 33 0.33 32.66 East Long Island | 316 3.16 35.82 Elmira | 89 0.89 36.71 Erie | 202 2.02 38.73 Hackensack | 85 0.85 39.58 Harrisburg | 187 1.87 41.45 Hartford | 236 2.36 43.81 Johnstown | 94 0.94 44.75 Kingsport | 63 0.63 45.38 Knoxville | 1 0.01 45.39 Lancaster | 98 0.98 46.37 Lebanon | 237 2.37 48.74 Lynchburg | 32 0.32 49.06 Manchester | 149 1.49 50.55 Manhattan | 242 2.42 52.97 Morgantown | 35 0.35 53.32 Morristown | 134 1.34 54.66 New Brunswick | 74 0.74 55.40 New Haven | 146 1.46 56.86 Newark | 86 0.86 57.72 Newport News | 104 1.04 58.76 Norfolk | 129 1.29 60.05 Paterson | 37 0.37 60.42 Philadelphia | 361 3.61 64.03 Pittsburgh | 532 5.32 69.35 Portland | 333 3.33 72.68 Providence | 105 1.05 73.73 Reading | 109 1.09 74.82 Richmond | 295 2.95 77.77 Ridgewood | 45 0.45 78.22 Roanoke | 137 1.37 79.59 Rochester | 235 2.35 81.94 Salisbury | 104 1.04 82.98 Sayre | 80 0.80 83.78 Scranton | 88 0.88 84.66 Springfield | 134 1.34 86.00 Syracuse | 261 2.61 88.61 Takoma Park | 77 0.77 89.38 Washington | 544 5.44 94.82 White Plains | 133 1.33 96.15 Wilkes-Barre | 46 0.46 96.61 Wilmington | 96 0.96 97.57 Winchester | 46 0.46 98.03 Winston-Salem | 21 0.21 98.24 Worcester | 104 1.04 99.28 York | 49 0.49 99.77 Youngstown | 23 0.23 100.00 -------------------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 14 Mar 2018