Keyword Analysis & Research: how was the ballpoint pen invented

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
how was the ballpoint pen invented	0.98	0.1	6982	70	34
how	0.54	0.8	6385	72	3
was	1.72	0.4	4672	92	3
the	0.55	0.9	27	57	3
ballpoint	0.38	0.6	1021	80	9
pen	0.99	0.6	5943	61	3
invented	0.92	0.1	2175	74	8

Keyword	CPC	PCC	Volume	Score
how was the ballpoint pen invented	0.57	1	5681	34
when was the ballpoint pen invented	0.17	0.6	507	8
who invented the modern ballpoint pen	1.4	0.7	9386	57
who invented the ballpoint pen	1.68	0.1	2553	23
ballpoint pen invented	0.77	0.3	5300	42
what year was the ballpoint pen invented	1.63	0.4	5124	60
when was the ballpoint pen invented year	0.5	0.7	1190	78
when was the first ballpoint pen invented	1.4	0.7	5808	64