Rank	Countries/Territories	Count	Percent
1	United States	640	54.1%
2	China	309	26.1%
3	Germany	89	7.5%
4	India	24	2%
5	Japan	18	1.5%
6	Taiwan	12	1%
7	Spain	9	0.8%
8	France	7	0.6%
9	Iran, Islamic Republic of	7	0.6%
10	Brazil	6	0.5%
11	Netherlands	6	0.5%
12	United Kingdom	6	0.5%
13	Turkey	5	0.4%
14	Cyprus	5	0.4%
15	Denmark	4	0.3%
16	Ukraine	4	0.3%
17	Norway	4	0.3%
18	Pakistan	4	0.3%
19	Russia	3	0.3%
20	South Africa	3	0.3%
21	Hong Kong	3	0.3%
22	Korea, Republic of	3	0.3%
23	Italy	2	0.2%
24	Canada	2	0.2%
25	Switzerland	2	0.2%
26	Singapore	1	0.1%
27	Philippines	1	0.1%
28	New Zealand	1	0.1%
29	Australia	1	0.1%
30	Austria	1	0.1%
31	Egypt	1	0.1%
32	Ireland	1	0.1%