Keyword Analysis & Research: what does once in a blue moon mean

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
what does once in a blue moon mean	1.82	0.3	8192	68	34
what	0.21	0.3	7060	74	4
does	1.18	0.9	5710	23	4
once	0.16	0.5	4200	25	4
in	1.24	0.3	172	80	2
a	1.86	0.3	9078	46	1
blue	0.39	0.7	4074	88	4
moon	1.71	0.3	3939	80	4
mean	0.94	1	8541	21	4

Keyword	CPC	PCC	Volume	Score
what does once in a blue moon mean	0.81	0.1	1814	82