Keyword Analysis & Research: when was the corkscrew invented

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
when was the corkscrew invented	0.56	0.9	1803	51	31
when	0.01	0.4	6603	80	4
was	0.48	0.4	5239	3	3
the	0.29	0.9	648	86	3
corkscrew	1.88	1	6554	54	9
invented	0.39	0.3	7747	100	8

Keyword	CPC	PCC	Volume	Score
when was the corkscrew invented	1.82	0.3	7648	19