Keyword Analysis & Research: should i choose fixed or variable energy

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
should i choose fixed or variable energy	1.37	0.2	8080	69	40
should	1.15	0.5	911	93	6
i	0.32	0.9	2980	6	1
choose	1.91	1	2503	67	6
fixed	1.85	0.6	3039	76	5
or	0.07	0.3	3161	50	2
variable	1.5	0.7	1232	71	8
energy	0.3	0.2	5916	85	6

Keyword	CPC	PCC	Volume	Score
should i choose fixed or variable energy	1.82	0.9	913	90