Keyword Analysis & Research: when was the polio vaccination available

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
when was the polio vaccination available	1.68	0.4	754	36	40
when	1.82	0.7	874	73	4
was	0.97	0.2	1501	19	3
the	1.33	0.7	6963	61	3
polio	1.35	0.3	2111	51	5
vaccination	0.27	0.7	2857	57	11
available	0.02	0.9	5077	10	9

Keyword	CPC	PCC	Volume	Score
when was the polio vaccination available	1.06	0.8	8350	32