Frequencies for backsurgeryper1000medicareenroll variable in 1996_surg_discharg Back | Surgery per | 1000 | Medicare | Enrollees | 1996 | Freq. Percent Cum. ------------+----------------------------------- 1.520613 | 1 1.92 1.92 1.642553 | 1 1.92 3.85 1.697149 | 1 1.92 5.77 1.704374 | 1 1.92 7.69 1.857699 | 1 1.92 9.62 1.94144 | 1 1.92 11.54 1.982782 | 1 1.92 13.46 2.155854 | 1 1.92 15.38 2.292168 | 1 1.92 17.31 2.368276 | 1 1.92 19.23 2.448664 | 1 1.92 21.15 2.538911 | 1 1.92 23.08 2.559785 | 1 1.92 25.00 2.595137 | 1 1.92 26.92 2.607949 | 1 1.92 28.85 2.616756 | 1 1.92 30.77 2.639857 | 1 1.92 32.69 2.671009 | 1 1.92 34.62 2.690265 | 1 1.92 36.54 2.708529 | 1 1.92 38.46 2.713305 | 1 1.92 40.38 2.725749 | 1 1.92 42.31 2.733086 | 1 1.92 44.23 2.735435 | 1 1.92 46.15 2.742596 | 1 1.92 48.08 2.792644 | 1 1.92 50.00 2.809806 | 1 1.92 51.92 2.840751 | 1 1.92 53.85 2.885979 | 1 1.92 55.77 3.012715 | 1 1.92 57.69 3.043907 | 1 1.92 59.62 3.049856 | 1 1.92 61.54 3.077533 | 1 1.92 63.46 3.101334 | 1 1.92 65.38 3.18743 | 1 1.92 67.31 3.18873 | 1 1.92 69.23 3.220474 | 1 1.92 71.15 3.226321 | 1 1.92 73.08 3.251534 | 1 1.92 75.00 3.280604 | 1 1.92 76.92 3.299768 | 1 1.92 78.85 3.411152 | 1 1.92 80.77 3.415936 | 1 1.92 82.69 3.451131 | 1 1.92 84.62 3.451234 | 1 1.92 86.54 3.840561 | 1 1.92 88.46 3.857675 | 1 1.92 90.38 4.044613 | 1 1.92 92.31 4.274673 | 1 1.92 94.23 4.97011 | 1 1.92 96.15 5.464813 | 1 1.92 98.08 5.726216 | 1 1.92 100.00 ------------+----------------------------------- Total | 52 100.00 by Jean Roth , jroth@nber.org , 14 Mar 2018