mamiRna all items length stats

Q1 20.000000
median 21.000000
Q3 21.000000
average 20.629397
min 15.000000
max 27.000000
count 2871
total 59227.000000
standard deviation 1.499788

 15  8
 16 *** 58
 17 **** 82
 18 ***** 105
 19 ********* 181
 20 *************************** 569
 21 ************************************************************ 1270
 22 ******************** 427
 23 ***** 114
 24 ** 40
 25 * 13
 26  3
 27  1