filter in cigarette inventions

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
filter in cigarette inventions	0.55	0.4	4593	46	30
filter	1.75	0.9	3453	5	6
in	0.35	0.7	8391	81	2
cigarette	1.9	0.6	7266	83	9
inventions	1.42	0.8	3689	38	10

Keyword	CPC	PCC	Volume	Score
filter in cigarette inventions	1.14	0.8	4872	67
when were filter cigarettes invented	1.51	0.4	2724	19
when were cigarette filters invented	0.91	0.1	7875	58
the first filter cigarette	0.07	1	1796	47
when were filtered cigarettes invented	0.22	0.8	8138	74
first filtered cigarette made	1.77	0.7	7797	58
what was the first filtered cigarette	1.07	0.7	353	30
cigarette filter making machine	1.85	1	704	57
when were filter cigarettes introduced	1.41	0.9	4151	89
when were cigarette filters introduced	1.52	0.1	8926	94
when were filters added to cigarettes	0.57	0.8	9161	62
when did filter cigarettes start	1.08	0.2	1229	39
when did cigarettes have filters	1.85	0.7	3754	77
when was filtered cigarettes introduced	1.68	0.1	3982	39
when did they add filters to cigarettes	1.79	0.5	9279	80
when were filters first put on cigarettes	1.28	0.5	1324	9
when did they put filters on cigarettes	0.47	0.2	5801	80
when did filters start on cigarettes	0.22	0.5	5324	91