2009	2010	2011	2012	2013	2014
innovation	2	3	9	6	2	2
technology	4	1	10	3	3	2
science	1	3	5	2	3	1
solar	3	2	3	1	2	2
Internet	0	0	6	1	1	0
math	0	2	3	0	2	1
computers	0	0	4	1	1	0
cyber	1	0	0	1	2	1
engineering	0	0	1	1	2	1
patent	0	0	1	0	1	1
privacy	1	0	0	0	1	1
data	0	0	0	1	0	0
surveillance	0	0	0	0	0	1
net neutrality	0	0	0	0	0	0
Bitcoin	0	0	0	0	0	0