Rank	Countries/Territories	Count	Percent
1	United States	270	41.3%
2	China	209	32%
3	Germany	58	8.9%
4	Italy	20	3.1%
5	United Kingdom	11	1.7%
6	Singapore	8	1.2%
7	Spain	6	0.9%
8	Poland	6	0.9%
9	Netherlands	6	0.9%
10	Argentina	5	0.8%
11	Australia	4	0.6%
12	Canada	4	0.6%
13	Iran, Islamic Republic of	4	0.6%
14	Mexico	4	0.6%
15	Taiwan	3	0.5%
16	Portugal	3	0.5%
17	Romania	3	0.5%
18	South Africa	3	0.5%
19	Ireland	3	0.5%
20	Cyprus	3	0.5%
21	Hong Kong	2	0.3%
22	Hungary	2	0.3%
23	India	2	0.3%
24	Japan	2	0.3%
25	Russia	2	0.3%
26	Switzerland	1	0.2%
27	Thailand	1	0.2%
28	Uzbekistan	1	0.2%
29	Latvia	1	0.2%
30	Norway	1	0.2%
31	Denmark	1	0.2%
32	Estonia	1	0.2%
33	Ethiopia	1	0.2%
34	France	1	0.2%
35	Gibraltar	1	0.2%