Frequencies for legamplci variable in pccounty2012 dataset : Leg | amputations | per 1,000 | Medicare | enrollees | Overall | Lower | confidence | limit | Freq. Percent Cum. ------------+----------------------------------- .109 | 1 0.03 0.03 .126 | 2 0.06 0.10 .127 | 1 0.03 0.13 .15 | 1 0.03 0.16 .153 | 1 0.03 0.19 .163 | 2 0.06 0.25 .17 | 1 0.03 0.29 .171 | 1 0.03 0.32 .177 | 1 0.03 0.35 .193 | 1 0.03 0.38 .197 | 1 0.03 0.41 .217 | 1 0.03 0.45 .219 | 1 0.03 0.48 .225 | 1 0.03 0.51 .229 | 1 0.03 0.54 .23 | 1 0.03 0.57 .231 | 1 0.03 0.60 .232 | 1 0.03 0.64 .247 | 1 0.03 0.67 .248 | 1 0.03 0.70 .251 | 1 0.03 0.73 .254 | 1 0.03 0.76 .261 | 1 0.03 0.80 .263 | 1 0.03 0.83 .267 | 1 0.03 0.86 .271 | 1 0.03 0.89 .275 | 1 0.03 0.92 .278 | 1 0.03 0.96 .283 | 1 0.03 0.99 .286 | 3 0.10 1.08 .288 | 1 0.03 1.11 .289 | 2 0.06 1.18 .29 | 1 0.03 1.21 .291 | 2 0.06 1.27 .294 | 1 0.03 1.31 .302 | 1 0.03 1.34 .303 | 1 0.03 1.37 .304 | 1 0.03 1.40 .308 | 1 0.03 1.43 .309 | 1 0.03 1.46 .31 | 1 0.03 1.50 .317 | 2 0.06 1.56 .318 | 1 0.03 1.59 .32 | 1 0.03 1.62 .321 | 1 0.03 1.66 .322 | 1 0.03 1.69 .323 | 1 0.03 1.72 .326 | 2 0.06 1.78 .333 | 1 0.03 1.81 .334 | 1 0.03 1.85 .335 | 1 0.03 1.88 .347 | 1 0.03 1.91 .35 | 1 0.03 1.94 .355 | 1 0.03 1.97 .36 | 1 0.03 2.01 .362 | 1 0.03 2.04 .363 | 1 0.03 2.07 .365 | 1 0.03 2.10 .367 | 1 0.03 2.13 .369 | 1 0.03 2.16 .37 | 1 0.03 2.20 .371 | 1 0.03 2.23 .372 | 1 0.03 2.26 .38 | 1 0.03 2.29 .382 | 1 0.03 2.32 .389 | 1 0.03 2.36 .392 | 1 0.03 2.39 .393 | 1 0.03 2.42 .395 | 1 0.03 2.45 .409 | 1 0.03 2.48 .417 | 1 0.03 2.52 .419 | 1 0.03 2.55 .42 | 1 0.03 2.58 .423 | 1 0.03 2.61 .426 | 1 0.03 2.64 .431 | 2 0.06 2.71 .435 | 1 0.03 2.74 .437 | 1 0.03 2.77 .448 | 2 0.06 2.83 .459 | 1 0.03 2.87 .465 | 1 0.03 2.90 .469 | 1 0.03 2.93 .471 | 1 0.03 2.96 .472 | 1 0.03 2.99 .473 | 1 0.03 3.02 .478 | 1 0.03 3.06 .479 | 1 0.03 3.09 .48 | 1 0.03 3.12 .481 | 2 0.06 3.18 .484 | 1 0.03 3.22 .487 | 1 0.03 3.25 .488 | 1 0.03 3.28 .492 | 1 0.03 3.31 .499 | 1 0.03 3.34 .5 | 1 0.03 3.37 .503 | 1 0.03 3.41 .514 | 1 0.03 3.44 .518 | 1 0.03 3.47 .524 | 1 0.03 3.50 .526 | 1 0.03 3.53 .528 | 1 0.03 3.57 .534 | 1 0.03 3.60 .535 | 1 0.03 3.63 .536 | 1 0.03 3.66 .54 | 1 0.03 3.69 .543 | 1 0.03 3.72 .544 | 1 0.03 3.76 .547 | 1 0.03 3.79 .549 | 1 0.03 3.82 .556 | 1 0.03 3.85 .564 | 1 0.03 3.88 .569 | 1 0.03 3.92 .57 | 1 0.03 3.95 .572 | 2 0.06 4.01 .576 | 1 0.03 4.04 .579 | 1 0.03 4.08 .58 | 1 0.03 4.11 .587 | 2 0.06 4.17 .619 | 1 0.03 4.20 .691 | 1 0.03 4.23 .712 | 1 0.03 4.27 .751 | 1 0.03 4.30 .76 | 1 0.03 4.33 .78 | 1 0.03 4.36 .824 | 1 0.03 4.39 .834 | 1 0.03 4.43 1.581 | 1 0.03 4.46 . | 3,001 95.54 100.00 ------------+----------------------------------- Total | 3,141 100.00 by Jean Roth , jroth@nber.org , 14 Mar 2018