Frequencies for tax_period variable in eobmfak dataset : Tax Period | Freq. Percent Cum. ------------+----------------------------------- 199806 | 1 0.02 0.02 199912 | 1 0.02 0.04 200106 | 2 0.04 0.07 200112 | 1 0.02 0.09 200412 | 1 0.02 0.11 200606 | 1 0.02 0.13 200712 | 1 0.02 0.15 200812 | 1 0.02 0.17 200912 | 1 0.02 0.18 201006 | 1 0.02 0.20 201012 | 1 0.02 0.22 201106 | 1 0.02 0.24 201112 | 3 0.06 0.29 201209 | 1 0.02 0.31 201212 | 3 0.06 0.37 201306 | 1 0.02 0.39 201312 | 7 0.13 0.51 201406 | 4 0.07 0.59 201412 | 7 0.13 0.72 201503 | 1 0.02 0.73 201509 | 6 0.11 0.84 201512 | 69 1.27 2.11 201603 | 2 0.04 2.15 201605 | 4 0.07 2.22 201606 | 29 0.53 2.75 201607 | 2 0.04 2.79 201608 | 6 0.11 2.90 201609 | 11 0.20 3.10 201610 | 2 0.04 3.14 201611 | 1 0.02 3.16 201612 | 169 3.10 6.26 201701 | 1 0.02 6.27 201702 | 1 0.02 6.29 201703 | 3 0.06 6.35 201704 | 12 0.22 6.57 201705 | 30 0.55 7.12 201706 | 344 6.31 13.43 201707 | 13 0.24 13.67 201708 | 38 0.70 14.36 201709 | 100 1.83 16.20 201710 | 9 0.17 16.36 201711 | 5 0.09 16.46 201712 | 1,903 34.91 51.37 201801 | 8 0.15 51.51 201802 | 8 0.15 51.66 201803 | 73 1.34 53.00 201804 | 70 1.28 54.28 201805 | 56 1.03 55.31 201806 | 642 11.78 67.09 201807 | 31 0.57 67.66 201808 | 53 0.97 68.63 201809 | 84 1.54 70.17 201810 | 15 0.28 70.45 201811 | 3 0.06 70.50 201812 | 570 10.46 80.96 201901 | 5 0.09 81.05 201902 | 2 0.04 81.09 . | 1,031 18.91 100.00 ------------+----------------------------------- Total | 5,451 100.00 by Jean Roth , jroth@nber.org , 15 Apr 2019