Frequencies for first 10,000 rows of contractid variable in planreport2010 dataset : Contract ID | Freq. Percent Cum. ------------+----------------------------------- | 6 0.06 0.06 H0084 | 24 0.24 0.30 H0104 | 1,369 13.69 13.99 H0150 | 753 7.53 21.52 H0151 | 339 3.39 24.91 H0154 | 817 8.17 33.08 H0302 | 70 0.70 33.78 H0303 | 52 0.52 34.30 H0307 | 74 0.74 35.04 H0316 | 73 0.73 35.77 H0317 | 80 0.80 36.57 H0318 | 11 0.11 36.68 H0319 | 20 0.20 36.88 H0320 | 34 0.34 37.22 H0321 | 94 0.94 38.16 H0351 | 191 1.91 40.07 H0354 | 50 0.50 40.57 H0540 | 177 1.77 42.34 H1681 | 246 2.46 44.80 H2012 | 190 1.90 46.70 H2593 | 93 0.93 47.63 H2649 | 72 0.72 48.35 H2762 | 226 2.26 50.61 H2944 | 277 2.77 53.38 H4074 | 12 0.12 53.50 H4213 | 30 0.30 53.80 H4931 | 10 0.10 53.90 H5006 | 136 1.36 55.26 H5096 | 6 0.06 55.32 H5214 | 38 0.38 55.70 H5301 | 5 0.05 55.75 H5322 | 6 0.06 55.81 H5421 | 616 6.16 61.97 H5430 | 8 0.08 62.05 H5435 | 68 0.68 62.73 H5521 | 12 0.12 62.85 H5525 | 8 0.08 62.93 H5580 | 30 0.30 63.23 H5587 | 73 0.73 63.96 H5590 | 15 0.15 64.11 H5698 | 390 3.90 68.01 H5820 | 179 1.79 69.80 H5985 | 95 0.95 70.75 H6528 | 22 0.22 70.97 H6609 | 76 0.76 71.73 H6623 | 2 0.02 71.75 H7188 | 4 0.04 71.79 H7352 | 14 0.14 71.93 H8098 | 22 0.22 72.15 H8145 | 251 2.51 74.66 H8319 | 2 0.02 74.68 H9385 | 30 0.30 74.98 H9685 | 2 0.02 75.00 H9768 | 3 0.03 75.03 R3444 | 66 0.66 75.69 R5826 | 1,667 16.67 92.36 S0128 | 8 0.08 92.44 S0522 | 12 0.12 92.56 S1030 | 12 0.12 92.68 S2505 | 12 0.12 92.80 S4802 | 8 0.08 92.88 S5557 | 5 0.05 92.93 S5597 | 6 0.06 92.99 S5601 | 44 0.44 93.43 S5617 | 58 0.58 94.01 S5644 | 12 0.12 94.13 S5660 | 50 0.50 94.63 S5670 | 21 0.21 94.84 S5674 | 7 0.07 94.91 S5678 | 24 0.24 95.15 S5755 | 41 0.41 95.56 S5768 | 41 0.41 95.97 S5795 | 13 0.13 96.10 S5803 | 28 0.28 96.38 S5810 | 56 0.56 96.94 S5820 | 33 0.33 97.27 S5884 | 66 0.66 97.93 S5917 | 1 0.01 97.94 S5921 | 33 0.33 98.27 S5932 | 20 0.20 98.47 S5960 | 34 0.34 98.81 S5967 | 48 0.48 99.29 S5998 | 8 0.08 99.37 S6506 | 6 0.06 99.43 S7694 | 41 0.41 99.84 S9579 | 16 0.16 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 14 Apr 2016