Frequencies for first 10,000 rows of hrrcity variable in ziphsahrr1999 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 | 254 2.54 10.72 Baltimore | 230 2.30 13.02 Bangor | 233 2.33 15.35 Binghamton | 104 1.04 16.39 Boston | 493 4.93 21.32 Bridgeport | 71 0.71 22.03 Bronx | 30 0.30 22.33 Buffalo | 193 1.93 24.26 Burlington | 259 2.59 26.85 Camden | 250 2.50 29.35 Charlottesville | 152 1.52 30.87 Danville | 154 1.54 32.41 Durham | 23 0.23 32.64 East Long Island | 316 3.16 35.80 Elmira | 89 0.89 36.69 Erie | 202 2.02 38.71 Hackensack | 85 0.85 39.56 Harrisburg | 187 1.87 41.43 Hartford | 236 2.36 43.79 Johnstown | 94 0.94 44.73 Kingsport | 63 0.63 45.36 Knoxville | 1 0.01 45.37 Lancaster | 98 0.98 46.35 Lebanon | 237 2.37 48.72 Lynchburg | 28 0.28 49.00 Manchester | 151 1.51 50.51 Manhattan | 243 2.43 52.94 Morgantown | 35 0.35 53.29 Morristown | 134 1.34 54.63 New Brunswick | 74 0.74 55.37 New Haven | 146 1.46 56.83 Newark | 86 0.86 57.69 Newport News | 104 1.04 58.73 Norfolk | 129 1.29 60.02 Paterson | 37 0.37 60.39 Philadelphia | 361 3.61 64.00 Pittsburgh | 532 5.32 69.32 Portland | 333 3.33 72.65 Providence | 105 1.05 73.70 Reading | 109 1.09 74.79 Richmond | 296 2.96 77.75 Ridgewood | 45 0.45 78.20 Roanoke | 137 1.37 79.57 Rochester | 235 2.35 81.92 Salisbury | 104 1.04 82.96 Sayre | 80 0.80 83.76 Scranton | 88 0.88 84.64 Springfield | 134 1.34 85.98 Syracuse | 262 2.62 88.60 Takoma Park | 77 0.77 89.37 Washington | 544 5.44 94.81 White Plains | 134 1.34 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