Keyword Analysis & Research: what does the 2 mean in mgbr2

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
what does the 2 mean in mgbr2	1.83	0.1	7912	91	29
what	0.68	0.7	7308	1	4
does	0.2	1	7886	56	4
the	1.16	0.1	4664	24	3
2	0.52	1	8690	97	1
mean	0.66	0.3	9860	7	4
in	1.56	0.3	4036	84	2
mgbr2	0.22	0.2	202	27	5

Keyword	CPC	PCC	Volume	Score
what does the 2 mean in mgbr2	1.27	0.9	6966	37