Keyword Analysis & Research: correct way to end a formal letter

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
correct way to end a formal letter	0.79	0.9	1493	4	34
correct	0.76	0.9	8730	77	7
way	1.02	1	1351	74	3
to	1.46	1	7402	59	2
end	1.82	1	3112	50	3
a	0.5	0.9	6106	87	1
formal	1.91	1	5741	40	6
letter	1.59	0.6	968	37	6

Keyword	CPC	PCC	Volume	Score
correct way to end a formal letter	1	0.3	6049	75
how to end off a formal letter	1.26	0.6	7042	71
proper way to end a letter	0.19	0.4	6324	89
how to formally end a letter	0.49	0.4	4222	36
ending to a letter formal	0.46	0.7	9947	28
how should you end a letter	0.72	0.6	9285	90
how to end off a letter	0.47	0.5	4223	2
formal way to end a letter	0.5	0.9	7098	36
formal ways to end a letter	0.2	0.1	5209	3
best way to end a formal letter	1.25	0.7	7094	52