Frequencies for first 10,000 rows of startdate variable in nadacc dataset : Start Date | Freq. Percent Cum. ------------+----------------------------------- 28nov2013 | 3 0.03 0.03 11dec2013 | 179 1.79 1.82 18dec2013 | 30 0.30 2.12 08jan2014 | 38 0.38 2.50 15jan2014 | 157 1.57 4.07 22jan2014 | 2 0.02 4.09 29jan2014 | 8 0.08 4.17 12feb2014 | 167 1.67 5.84 19feb2014 | 1 0.01 5.85 05mar2014 | 3 0.03 5.88 12mar2014 | 129 1.29 7.17 19mar2014 | 6 0.06 7.23 26mar2014 | 7 0.07 7.30 02apr2014 | 3 0.03 7.33 09apr2014 | 6 0.06 7.39 16apr2014 | 116 1.16 8.55 07may2014 | 13 0.13 8.68 14may2014 | 145 1.45 10.13 21may2014 | 2 0.02 10.15 04jun2014 | 176 1.76 11.91 11jun2014 | 139 1.39 13.30 18jun2014 | 16 0.16 13.46 25jun2014 | 1 0.01 13.47 02jul2014 | 25 0.25 13.72 09jul2014 | 24 0.24 13.96 16jul2014 | 156 1.56 15.52 23jul2014 | 19 0.19 15.71 30jul2014 | 2 0.02 15.73 06aug2014 | 27 0.27 16.00 13aug2014 | 214 2.14 18.14 20aug2014 | 2 0.02 18.16 10sep2014 | 121 1.21 19.37 17sep2014 | 5 0.05 19.42 01oct2014 | 5 0.05 19.47 15oct2014 | 113 1.13 20.60 29oct2014 | 17 0.17 20.77 12nov2014 | 119 1.19 21.96 19nov2014 | 4 0.04 22.00 26nov2014 | 25 0.25 22.25 03dec2014 | 23 0.23 22.48 10dec2014 | 109 1.09 23.57 17dec2014 | 6 0.06 23.63 24dec2014 | 6 0.06 23.69 31dec2014 | 182 1.82 25.51 07jan2015 | 122 1.22 26.73 14jan2015 | 130 1.30 28.03 21jan2015 | 11 0.11 28.14 04feb2015 | 6 0.06 28.20 11feb2015 | 139 1.39 29.59 18feb2015 | 2 0.02 29.61 04mar2015 | 21 0.21 29.82 11mar2015 | 150 1.50 31.32 18mar2015 | 5 0.05 31.37 01apr2015 | 1 0.01 31.38 08apr2015 | 20 0.20 31.58 15apr2015 | 129 1.29 32.87 22apr2015 | 37 0.37 33.24 29apr2015 | 2 0.02 33.26 06may2015 | 6 0.06 33.32 13may2015 | 149 1.49 34.81 20may2015 | 2 0.02 34.83 03jun2015 | 229 2.29 37.12 10jun2015 | 146 1.46 38.58 17jun2015 | 1 0.01 38.59 01jul2015 | 31 0.31 38.90 08jul2015 | 3 0.03 38.93 15jul2015 | 144 1.44 40.37 29jul2015 | 1 0.01 40.38 05aug2015 | 3 0.03 40.41 12aug2015 | 109 1.09 41.50 26aug2015 | 8 0.08 41.58 16sep2015 | 118 1.18 42.76 30sep2015 | 5 0.05 42.81 07oct2015 | 19 0.19 43.00 14oct2015 | 160 1.60 44.60 28oct2015 | 2 0.02 44.62 11nov2015 | 133 1.33 45.95 18nov2015 | 27 0.27 46.22 02dec2015 | 50 0.50 46.72 16dec2015 | 121 1.21 47.93 23dec2015 | 25 0.25 48.18 30dec2015 | 354 3.54 51.72 06jan2016 | 142 1.42 53.14 13jan2016 | 148 1.48 54.62 03feb2016 | 3 0.03 54.65 10feb2016 | 143 1.43 56.08 16mar2016 | 128 1.28 57.36 06apr2016 | 25 0.25 57.61 13apr2016 | 129 1.29 58.90 04may2016 | 3 0.03 58.93 11may2016 | 134 1.34 60.27 01jun2016 | 143 1.43 61.70 08jun2016 | 22 0.22 61.92 15jun2016 | 127 1.27 63.19 22jun2016 | 37 0.37 63.56 06jul2016 | 11 0.11 63.67 13jul2016 | 123 1.23 64.90 20jul2016 | 19 0.19 65.09 10aug2016 | 124 1.24 66.33 24aug2016 | 1 0.01 66.34 07sep2016 | 2 0.02 66.36 14sep2016 | 124 1.24 67.60 12oct2016 | 155 1.55 69.15 19oct2016 | 1 0.01 69.16 16nov2016 | 116 1.16 70.32 07dec2016 | 21 0.21 70.53 14dec2016 | 137 1.37 71.90 21dec2016 | 27 0.27 72.17 28dec2016 | 178 1.78 73.95 04jan2017 | 94 0.94 74.89 11jan2017 | 191 1.91 76.80 15feb2017 | 248 2.48 79.28 22feb2017 | 2 0.02 79.30 01mar2017 | 2 0.02 79.32 15mar2017 | 123 1.23 80.55 05apr2017 | 5 0.05 80.60 12apr2017 | 125 1.25 81.85 26apr2017 | 3 0.03 81.88 03may2017 | 36 0.36 82.24 10may2017 | 106 1.06 83.30 17may2017 | 2 0.02 83.32 24may2017 | 2 0.02 83.34 31may2017 | 135 1.35 84.69 07jun2017 | 54 0.54 85.23 14jun2017 | 132 1.32 86.55 21jun2017 | 1 0.01 86.56 05jul2017 | 12 0.12 86.68 12jul2017 | 175 1.75 88.43 19jul2017 | 2 0.02 88.45 02aug2017 | 1 0.01 88.46 16aug2017 | 106 1.06 89.52 30aug2017 | 1 0.01 89.53 06sep2017 | 2 0.02 89.55 13sep2017 | 125 1.25 90.80 04oct2017 | 1 0.01 90.81 11oct2017 | 108 1.08 91.89 18oct2017 | 1 0.01 91.90 25oct2017 | 1 0.01 91.91 08nov2017 | 3 0.03 91.94 15nov2017 | 168 1.68 93.62 22nov2017 | 1 0.01 93.63 29nov2017 | 1 0.01 93.64 13dec2017 | 118 1.18 94.82 20dec2017 | 7 0.07 94.89 27dec2017 | 6 0.06 94.95 03jan2018 | 236 2.36 97.31 10jan2018 | 160 1.60 98.91 31jan2018 | 1 0.01 98.92 07feb2018 | 3 0.03 98.95 14feb2018 | 105 1.05 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 1 Mar 2018