Rank	Countries/Territories	Count	Percent
1	United States	442	38.5%
2	China	395	34.4%
3	Germany	95	8.3%
4	Austria	32	2.8%
5	Japan	29	2.5%
6	Netherlands	24	2.1%
7	France	16	1.4%
8	Iran, Islamic Republic of	10	0.9%
9	Hong Kong	9	0.8%
10	Singapore	9	0.8%
11	Ireland	8	0.7%
12	India	7	0.6%
13	Taiwan	7	0.6%
14	Romania	6	0.5%
15	Spain	5	0.4%
16	Canada	5	0.4%
17	Cyprus	5	0.4%
18	Egypt	4	0.3%
19	Italy	4	0.3%
20	Korea, Republic of	4	0.3%
21	Mexico	4	0.3%
22	Morocco	3	0.3%
23	Russia	3	0.3%
24	South Africa	2	0.2%
25	Ukraine	2	0.2%
26	Lithuania	2	0.2%
27	Portugal	2	0.2%
28	Israel	2	0.2%
29	Greece	2	0.2%
30	Australia	2	0.2%
31	Bangladesh	2	0.2%
32	Belgium	2	0.2%
33	Indonesia	1	0.1%
34	Hungary	1	0.1%
35	Poland	1	0.1%
36	Latvia	1	0.1%
37	Turkey	1	0.1%