Keyword Analysis & Research: when did microsoft excel come out

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
when did microsoft excel come out	1.5	0.3	5451	37	33
when	0.77	1	87	55	4
did	1.64	0.3	6600	81	3
microsoft	1.5	0.9	3781	69	9
excel	1.65	0.9	5726	61	5
come	1.29	0.8	4741	83	4
out	1.52	0.1	1278	92	3

Keyword	CPC	PCC	Volume	Score
when did microsoft excel come out	0.33	0.7	6325	25
what year did microsoft excel come out	0.8	0.5	5991	76
when did microsoft excel first come out	1.8	0.8	4407	29