Rank	Countries/Territories	Count	Percent
1	United States	413	44.3%
2	China	287	30.8%
3	Germany	115	12.3%
4	France	16	1.7%
5	Switzerland	12	1.3%
6	Netherlands	10	1.1%
7	Canada	8	0.9%
8	Thailand	7	0.8%
9	Turkey	7	0.8%
10	Russia	6	0.6%
11	Cyprus	6	0.6%
12	India	5	0.5%
13	Mexico	4	0.4%
14	Japan	3	0.3%
15	Egypt	3	0.3%
16	Hong Kong	3	0.3%
17	Singapore	3	0.3%
18	United Kingdom	3	0.3%
19	Poland	2	0.2%
20	Viet Nam	2	0.2%
21	Taiwan	2	0.2%
22	Australia	2	0.2%
23	Indonesia	2	0.2%
24	Iran, Islamic Republic of	2	0.2%
25	Ireland	1	0.1%
26	Italy	1	0.1%
27	Lithuania	1	0.1%
28	Malaysia	1	0.1%
29	Bangladesh	1	0.1%
30	Argentina	1	0.1%
31	Ukraine	1	0.1%
32	Sweden	1	0.1%
33	Norway	1	0.1%