Frequencies for backsurgeryper1000medicareenroll variable in 2009_surg_discharg Back | Surgery per | 1000 | Medicare | Enrollees | 2009 | Freq. Percent Cum. ------------+----------------------------------- 1.44 | 1 0.33 0.33 1.77 | 1 0.33 0.65 1.89 | 1 0.33 0.98 2.14 | 1 0.33 1.30 2.32 | 1 0.33 1.63 2.37 | 1 0.33 1.95 2.53 | 1 0.33 2.28 2.56 | 1 0.33 2.61 2.57 | 1 0.33 2.93 2.63 | 1 0.33 3.26 2.68 | 1 0.33 3.58 2.74 | 1 0.33 3.91 2.77 | 2 0.65 4.56 2.8 | 1 0.33 4.89 2.81 | 1 0.33 5.21 2.82 | 2 0.65 5.86 2.83 | 1 0.33 6.19 2.87 | 2 0.65 6.84 2.88 | 1 0.33 7.17 2.95 | 2 0.65 7.82 2.99 | 2 0.65 8.47 3.02 | 1 0.33 8.79 3.03 | 1 0.33 9.12 3.05 | 1 0.33 9.45 3.12 | 1 0.33 9.77 3.16 | 2 0.65 10.42 3.17 | 1 0.33 10.75 3.24 | 1 0.33 11.07 3.27 | 1 0.33 11.40 3.33 | 1 0.33 11.73 3.35 | 2 0.65 12.38 3.41 | 1 0.33 12.70 3.43 | 1 0.33 13.03 3.48 | 3 0.98 14.01 3.49 | 1 0.33 14.33 3.52 | 1 0.33 14.66 3.56 | 2 0.65 15.31 3.57 | 1 0.33 15.64 3.58 | 1 0.33 15.96 3.6 | 1 0.33 16.29 3.61 | 1 0.33 16.61 3.62 | 2 0.65 17.26 3.66 | 1 0.33 17.59 3.7 | 1 0.33 17.92 3.71 | 1 0.33 18.24 3.72 | 1 0.33 18.57 3.76 | 2 0.65 19.22 3.77 | 2 0.65 19.87 3.78 | 1 0.33 20.20 3.79 | 3 0.98 21.17 3.8 | 1 0.33 21.50 3.81 | 2 0.65 22.15 3.83 | 1 0.33 22.48 3.84 | 4 1.30 23.78 3.85 | 1 0.33 24.10 3.86 | 1 0.33 24.43 3.87 | 1 0.33 24.76 3.88 | 1 0.33 25.08 3.91 | 2 0.65 25.73 3.92 | 1 0.33 26.06 3.93 | 1 0.33 26.38 3.95 | 1 0.33 26.71 3.96 | 2 0.65 27.36 4.01 | 1 0.33 27.69 4.02 | 3 0.98 28.66 4.04 | 1 0.33 28.99 4.07 | 2 0.65 29.64 4.09 | 1 0.33 29.97 4.1 | 1 0.33 30.29 4.11 | 1 0.33 30.62 4.13 | 1 0.33 30.94 4.14 | 1 0.33 31.27 4.18 | 1 0.33 31.60 4.25 | 1 0.33 31.92 4.26 | 1 0.33 32.25 4.28 | 1 0.33 32.57 4.29 | 1 0.33 32.90 4.31 | 1 0.33 33.22 4.32 | 1 0.33 33.55 4.33 | 1 0.33 33.88 4.35 | 2 0.65 34.53 4.36 | 1 0.33 34.85 4.37 | 1 0.33 35.18 4.39 | 1 0.33 35.50 4.4 | 1 0.33 35.83 4.42 | 1 0.33 36.16 4.43 | 2 0.65 36.81 4.44 | 1 0.33 37.13 4.46 | 2 0.65 37.79 4.47 | 1 0.33 38.11 4.48 | 1 0.33 38.44 4.49 | 2 0.65 39.09 4.51 | 1 0.33 39.41 4.52 | 1 0.33 39.74 4.54 | 3 0.98 40.72 4.55 | 1 0.33 41.04 4.56 | 1 0.33 41.37 4.57 | 1 0.33 41.69 4.59 | 1 0.33 42.02 4.61 | 2 0.65 42.67 4.62 | 1 0.33 43.00 4.63 | 1 0.33 43.32 4.64 | 1 0.33 43.65 4.65 | 1 0.33 43.97 4.67 | 1 0.33 44.30 4.68 | 2 0.65 44.95 4.7 | 1 0.33 45.28 4.72 | 3 0.98 46.25 4.74 | 1 0.33 46.58 4.75 | 1 0.33 46.91 4.76 | 1 0.33 47.23 4.79 | 2 0.65 47.88 4.8 | 1 0.33 48.21 4.81 | 2 0.65 48.86 4.82 | 1 0.33 49.19 4.84 | 1 0.33 49.51 4.85 | 2 0.65 50.16 4.86 | 1 0.33 50.49 4.87 | 2 0.65 51.14 4.9 | 2 0.65 51.79 4.92 | 1 0.33 52.12 4.94 | 1 0.33 52.44 4.96 | 1 0.33 52.77 4.99 | 1 0.33 53.09 5 | 1 0.33 53.42 5.01 | 1 0.33 53.75 5.06 | 2 0.65 54.40 5.08 | 3 0.98 55.37 5.09 | 2 0.65 56.03 5.1 | 1 0.33 56.35 5.12 | 1 0.33 56.68 5.13 | 1 0.33 57.00 5.14 | 1 0.33 57.33 5.16 | 3 0.98 58.31 5.17 | 2 0.65 58.96 5.18 | 1 0.33 59.28 5.19 | 2 0.65 59.93 5.21 | 1 0.33 60.26 5.23 | 1 0.33 60.59 5.27 | 2 0.65 61.24 5.3 | 1 0.33 61.56 5.32 | 1 0.33 61.89 5.33 | 1 0.33 62.21 5.34 | 1 0.33 62.54 5.35 | 1 0.33 62.87 5.37 | 1 0.33 63.19 5.4 | 1 0.33 63.52 5.41 | 1 0.33 63.84 5.42 | 1 0.33 64.17 5.43 | 1 0.33 64.50 5.44 | 1 0.33 64.82 5.45 | 1 0.33 65.15 5.46 | 2 0.65 65.80 5.47 | 1 0.33 66.12 5.49 | 1 0.33 66.45 5.5 | 2 0.65 67.10 5.53 | 2 0.65 67.75 5.54 | 2 0.65 68.40 5.57 | 1 0.33 68.73 5.58 | 1 0.33 69.06 5.59 | 1 0.33 69.38 5.64 | 1 0.33 69.71 5.66 | 1 0.33 70.03 5.68 | 1 0.33 70.36 5.69 | 1 0.33 70.68 5.76 | 2 0.65 71.34 5.77 | 1 0.33 71.66 5.79 | 1 0.33 71.99 5.82 | 2 0.65 72.64 5.84 | 1 0.33 72.96 5.86 | 3 0.98 73.94 5.9 | 2 0.65 74.59 5.91 | 2 0.65 75.24 5.92 | 1 0.33 75.57 5.93 | 1 0.33 75.90 5.94 | 1 0.33 76.22 5.95 | 1 0.33 76.55 5.96 | 1 0.33 76.87 5.99 | 2 0.65 77.52 6.02 | 1 0.33 77.85 6.05 | 2 0.65 78.50 6.09 | 2 0.65 79.15 6.1 | 1 0.33 79.48 6.11 | 1 0.33 79.80 6.12 | 1 0.33 80.13 6.13 | 1 0.33 80.46 6.18 | 1 0.33 80.78 6.25 | 1 0.33 81.11 6.29 | 1 0.33 81.43 6.32 | 1 0.33 81.76 6.34 | 1 0.33 82.08 6.37 | 1 0.33 82.41 6.45 | 1 0.33 82.74 6.46 | 1 0.33 83.06 6.47 | 1 0.33 83.39 6.48 | 1 0.33 83.71 6.49 | 2 0.65 84.36 6.52 | 2 0.65 85.02 6.53 | 1 0.33 85.34 6.56 | 1 0.33 85.67 6.61 | 1 0.33 85.99 6.63 | 1 0.33 86.32 6.67 | 1 0.33 86.64 6.69 | 1 0.33 86.97 6.72 | 1 0.33 87.30 6.81 | 1 0.33 87.62 6.82 | 1 0.33 87.95 6.84 | 1 0.33 88.27 6.87 | 1 0.33 88.60 6.91 | 1 0.33 88.93 6.93 | 1 0.33 89.25 6.97 | 1 0.33 89.58 7.04 | 1 0.33 89.90 7.07 | 1 0.33 90.23 7.1 | 2 0.65 90.88 7.11 | 1 0.33 91.21 7.13 | 1 0.33 91.53 7.34 | 1 0.33 91.86 7.36 | 1 0.33 92.18 7.39 | 1 0.33 92.51 7.4 | 1 0.33 92.83 7.42 | 1 0.33 93.16 7.44 | 2 0.65 93.81 7.5 | 1 0.33 94.14 7.52 | 1 0.33 94.46 7.54 | 1 0.33 94.79 7.62 | 1 0.33 95.11 7.63 | 1 0.33 95.44 7.74 | 1 0.33 95.77 7.81 | 1 0.33 96.09 7.85 | 1 0.33 96.42 8.04 | 1 0.33 96.74 8.08 | 1 0.33 97.07 8.27 | 1 0.33 97.39 8.28 | 1 0.33 97.72 8.35 | 1 0.33 98.05 8.81 | 1 0.33 98.37 8.87 | 1 0.33 98.70 9.01 | 1 0.33 99.02 9.32 | 1 0.33 99.35 9.62 | 1 0.33 99.67 10.09 | 1 0.33 100.00 ------------+----------------------------------- Total | 307 100.00 by Jean Roth , jroth@nber.org , 14 Mar 2018