Frequencies for first 10,000 rows of contractid variable in maa_to_m2009 dataset : Contract ID | Freq. Percent Cum. ------------+----------------------------------- H0104 | 201 2.01 2.01 H0150 | 79 0.79 2.80 H0151 | 45 0.45 3.25 H0154 | 45 0.45 3.70 H0302 | 1 0.01 3.71 H0303 | 7 0.07 3.78 H0307 | 6 0.06 3.84 H0316 | 5 0.05 3.89 H0317 | 6 0.06 3.95 H0318 | 2 0.02 3.97 H0320 | 3 0.03 4.00 H0322 | 2 0.02 4.02 H0351 | 24 0.24 4.26 H0354 | 2 0.02 4.28 H0401 | 4 0.04 4.32 H0504 | 6 0.06 4.38 H0523 | 14 0.14 4.52 H0524 | 30 0.30 4.82 H0532 | 3 0.03 4.85 H0540 | 290 2.90 7.75 H0543 | 56 0.56 8.31 H0544 | 6 0.06 8.37 H0545 | 7 0.07 8.44 H0562 | 49 0.49 8.93 H0564 | 7 0.07 9.00 H0571 | 2 0.02 9.02 H0602 | 441 4.41 13.43 H0609 | 41 0.41 13.84 H0621 | 28 0.28 14.12 H0623 | 24 0.24 14.36 H0630 | 47 0.47 14.83 H0712 | 12 0.12 14.95 H0752 | 1 0.01 14.96 H0755 | 40 0.40 15.36 H0768 | 8 0.08 15.44 H0846 | 606 6.06 21.50 H1013 | 3 0.03 21.53 H1016 | 2 0.02 21.55 H1019 | 10 0.10 21.65 H1026 | 4 0.04 21.69 H1032 | 27 0.27 21.96 H1035 | 3 0.03 21.99 H1036 | 21 0.21 22.20 H1045 | 7 0.07 22.27 H1076 | 3 0.03 22.30 H1080 | 4 0.04 22.34 H1099 | 10 0.10 22.44 H1340 | 234 2.34 24.78 H1681 | 9 0.09 24.87 H1689 | 82 0.82 25.69 H1804 | 622 6.22 31.91 H2611 | 33 0.33 32.24 H2762 | 739 7.39 39.63 H2905 | 3 0.03 39.66 H3214 | 2 0.02 39.68 H3333 | 32 0.32 40.00 H3518 | 35 0.35 40.35 H3528 | 48 0.48 40.83 H3815 | 2 0.02 40.85 H4408 | 1 0.01 40.86 H4449 | 4 0.04 40.90 H4520 | 1 0.01 40.91 H4577 | 670 6.70 47.61 H5006 | 533 5.33 52.94 H5087 | 3 0.03 52.97 H5144 | 7 0.07 53.04 H5179 | 31 0.31 53.35 H5189 | 12 0.12 53.47 H5227 | 324 3.24 56.71 H5291 | 8 0.08 56.79 H5301 | 14 0.14 56.93 H5402 | 50 0.50 57.43 H5404 | 40 0.40 57.83 H5407 | 22 0.22 58.05 H5410 | 4 0.04 58.09 H5414 | 28 0.28 58.37 H5415 | 1 0.01 58.38 H5417 | 1 0.01 58.39 H5419 | 116 1.16 59.55 H5420 | 8 0.08 59.63 H5421 | 1,252 12.52 72.15 H5425 | 12 0.12 72.27 H5426 | 6 0.06 72.33 H5427 | 65 0.65 72.98 H5429 | 24 0.24 73.22 H5431 | 3 0.03 73.25 H5434 | 8 0.08 73.33 H5435 | 397 3.97 77.30 H5436 | 2 0.02 77.32 H5437 | 14 0.14 77.46 H5439 | 1 0.01 77.47 H5532 | 3 0.03 77.50 H5594 | 39 0.39 77.89 H5608 | 2 0.02 77.91 H5609 | 1 0.01 77.92 H5649 | 2 0.02 77.94 H5679 | 12 0.12 78.06 H5696 | 15 0.15 78.21 H5698 | 248 2.48 80.69 H5700 | 48 0.48 81.17 H5736 | 156 1.56 82.73 H5793 | 16 0.16 82.89 H5810 | 4 0.04 82.93 H5811 | 2 0.02 82.95 H5813 | 3 0.03 82.98 H5820 | 147 1.47 84.45 H5849 | 150 1.50 85.95 H5850 | 14 0.14 86.09 H5854 | 12 0.12 86.21 H5908 | 2 0.02 86.23 H5909 | 7 0.07 86.30 H5928 | 7 0.07 86.37 H5938 | 4 0.04 86.41 H5948 | 2 0.02 86.43 H5985 | 2 0.02 86.45 H5996 | 78 0.78 87.23 H6120 | 3 0.03 87.26 H6228 | 2 0.02 87.28 H6421 | 9 0.09 87.37 H6528 | 13 0.13 87.50 H6923 | 28 0.28 87.78 H7146 | 1 0.01 87.79 H7188 | 22 0.22 88.01 H7206 | 249 2.49 90.50 H7252 | 27 0.27 90.77 H7692 | 1 0.01 90.78 H7731 | 6 0.06 90.84 H8836 | 348 3.48 94.32 H8991 | 6 0.06 94.38 H9011 | 2 0.02 94.40 H9385 | 1 0.01 94.41 R5287 | 68 0.68 95.09 R5595 | 12 0.12 95.21 R5826 | 390 3.90 99.11 R5863 | 17 0.17 99.28 R7444 | 9 0.09 99.37 R9943 | 63 0.63 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 14 Apr 2016