Keyword Analysis & Research: what is a normal ppd reading

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
what is a normal ppd reading	1.03	0.1	3281	74	28
what	1.7	0.3	9976	30	4
is	0.93	1	5907	24	2
a	0.15	0.6	6232	43	1
normal	0.93	0.5	2311	93	6
ppd	1.96	0.6	3672	27	3
reading	1.64	1	6040	99	7

Keyword	CPC	PCC	Volume	Score
what is a normal ppd reading	0.09	0.7	5821	71