Keyword Analysis & Research: when did project blue book start

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
when did project blue book start	0.4	0.3	9950	81	32
when	0.24	1	5025	29	4
did	1.28	0.7	2027	77	3
project	1.42	0.1	5214	22	7
blue	1.91	1	4267	100	4
book	1.63	0.4	6921	44	4
start	1.18	0.1	2744	95	5

Keyword	CPC	PCC	Volume	Score
when did project blue book start	1.44	0.2	6255	9