Rank	Countries/Territories	Count	Percent
1	United States	286	38.3%
2	China	209	28%
3	Germany	59	7.9%
4	Japan	29	3.9%
5	India	18	2.4%
6	Iran, Islamic Republic of	16	2.1%
7	France	15	2%
8	Singapore	13	1.7%
9	Canada	12	1.6%
10	Netherlands	9	1.2%
11	Russia	8	1.1%
12	United Kingdom	8	1.1%
13	Hong Kong	8	1.1%
14	Egypt	6	0.8%
15	Taiwan	6	0.8%
16	Sweden	5	0.7%
17	Malaysia	4	0.5%
18	Belgium	4	0.5%
19	Australia	3	0.4%
20	Indonesia	3	0.4%
21	Korea, Republic of	3	0.4%
22	Pakistan	3	0.4%
23	Thailand	3	0.4%
24	Turkey	2	0.3%
25	Mexico	2	0.3%
26	Saudi Arabia	2	0.3%
27	South Africa	2	0.3%
28	Cyprus	2	0.3%
29	Ecuador	1	0.1%
30	Brazil	1	0.1%
31	Iraq	1	0.1%
32	Spain	1	0.1%
33	Philippines	1	0.1%
34	Ukraine	1	0.1%