Frequencies for est72011sex2_medage variable in pepsyasex2014 dataset : Population | Estimate | (as of July | 1) - 2011 - | Female; | Total - | Median age | (years) | Freq. Percent Cum. ------------+----------------------------------- 30.1 | 1 1.89 1.89 33.9 | 1 1.89 3.77 34 | 1 1.89 5.66 34.8 | 1 1.89 7.55 35.7 | 1 1.89 9.43 36.6 | 1 1.89 11.32 36.8 | 1 1.89 13.21 37.2 | 1 1.89 15.09 37.3 | 2 3.77 18.87 37.4 | 2 3.77 22.64 37.6 | 2 3.77 26.42 37.7 | 2 3.77 30.19 38 | 1 1.89 32.08 38.2 | 3 5.66 37.74 38.4 | 2 3.77 41.51 38.6 | 2 3.77 45.28 38.8 | 2 3.77 49.06 39 | 1 1.89 50.94 39.2 | 1 1.89 52.83 39.4 | 2 3.77 56.60 39.5 | 3 5.66 62.26 39.6 | 3 5.66 67.92 39.7 | 1 1.89 69.81 39.9 | 2 3.77 73.58 40.4 | 3 5.66 79.25 40.5 | 1 1.89 81.13 40.6 | 1 1.89 83.02 41 | 1 1.89 84.91 41.2 | 1 1.89 86.79 41.6 | 1 1.89 88.68 41.7 | 1 1.89 90.57 42.4 | 2 3.77 94.34 42.7 | 1 1.89 96.23 43 | 1 1.89 98.11 44.3 | 1 1.89 100.00 ------------+----------------------------------- Total | 53 100.00 by Jean Roth , jroth@nber.org , 5 Jan 2016 tail -n+3 /homes/web/html/data/census-intercensal-population/2014/desc/pepsyas