Classes	fi	fri	Fi	Fri
	0
[0, 1[	1	3%	1	3%
[1,2[	6	19%	7	23%
[2,3[	5	16%	12	39%
[3,4[	6	19%	18	58%
[4,5[	8	26%	26	84%
[5,6[	2	6%	28	90%
[6,7[	2	6%	30	97%
[7,8[	1	3%	31	100%
	0
Total	31	100%