Keyword Analysis & Research: when did project blue book begin

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
when did project blue book begin	1.84	1	903	68	32
when	0.25	0.2	2645	70	4
did	0.7	0.3	6892	80	3
project	0.32	0.1	2173	94	7
blue	0.27	0.7	3203	70	4
book	1.39	0.6	5445	27	4
begin	1.76	0.4	3624	44	5

Keyword	CPC	PCC	Volume	Score
when did project blue book begin	1.02	0.8	8086	12