[Graphs generated by this script: setBorder(15); initPicture(8,19,-3,4);axes(1,100,1,null,null,1,'off');text([13.5,-3],"data");line([8,2],[8,4]); rect([9,2],[17,4]); line([15,2],[15,4]);line([19,2],[19,4]); line([8,3],[9,3]); line([17,3],[19,3]);]

For the data this box plot is based on, % of the data values are between 8 and 9.

Also, % of the data values are between 9 and 15, % of the data values are between 15 and 17, and % of the data values are between 17 and 19.