set line 51 1
draw recf  0.50 0.2  1.44 0.4
set line 52 1
draw recf  1.91 0.2  2.84 0.4
set line 53 1
draw recf  2.84 0.2  3.78 0.4
set line 54 1
draw recf  3.78 0.2  4.72 0.4
set line 55 1
draw recf  4.72 0.2  5.66 0.4
set line 56 1
draw recf  5.66 0.2  6.59 0.4
set line 57 1
draw recf  7.06 0.2  8.00 0.4
set string 1 tc
set strsiz 0.12 0.14
draw string  0.97 0.6 < 5
draw string  1.91 0.6  5
draw string  2.84 0.6  10
draw string  3.78 0.6  15
draw string  4.72 0.6  20
draw string  5.66 0.6  25
draw string  6.59 0.6  30
draw string  7.53 0.6 >30