Rank	Countries/Territories	Count	Percent
1	United States	659	51.8%
2	China	202	15.9%
3	India	89	7%
4	Germany	69	5.4%
5	Korea, Republic of	47	3.7%
6	Japan	33	2.6%
7	Russia	28	2.2%
8	Australia	21	1.7%
9	Brazil	20	1.6%
10	Ireland	15	1.2%
11	Netherlands	9	0.7%
12	Italy	8	0.6%
13	Israel	7	0.6%
14	Iran, Islamic Republic of	7	0.6%
15	Czech Republic	6	0.5%
16	United Kingdom	6	0.5%
17	Argentina	5	0.4%
18	France	4	0.3%
19	Spain	4	0.3%
20	Taiwan	4	0.3%
21	Turkey	4	0.3%
22	Ukraine	4	0.3%
23	Romania	4	0.3%
24	Mexico	2	0.2%
25	Norway	2	0.2%
26	Singapore	2	0.2%
27	Belgium	2	0.2%
28	Denmark	2	0.2%
29	Canada	2	0.2%
30	Bahrain	1	0.1%
31	Hong Kong	1	0.1%
32	Indonesia	1	0.1%
33	Pakistan	1	0.1%
34	Lithuania	1	0.1%