Keyword Analysis & Research: how to calculate my efc

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
how to calculate my efc	1.72	0.3	9971	40	23
how	0.46	0.7	4021	82	3
to	0.15	0.8	70	76	2
calculate	0.38	0.6	4704	42	9
my	1.98	0.2	5352	30	2
efc	1.41	1	6516	54	3

Keyword	CPC	PCC	Volume	Score
how to calculate my efc	1.35	0.5	4793	77