Rank	Countries/Territories	Count	Percent
1	United States	612	36.8%
2	China	547	32.9%
3	Germany	221	13.3%
4	Japan	46	2.8%
5	Canada	37	2.2%
6	France	23	1.4%
7	Netherlands	22	1.3%
8	Australia	19	1.1%
9	Singapore	16	1%
10	United Kingdom	15	0.9%
11	India	15	0.9%
12	Korea, Republic of	13	0.8%
13	Russia	10	0.6%
14	Romania	9	0.5%
15	Cyprus	8	0.5%
16	Iran, Islamic Republic of	5	0.3%
17	Ireland	5	0.3%
18	Pakistan	5	0.3%
19	Belgium	4	0.2%
20	Brazil	3	0.2%
21	Malaysia	3	0.2%
22	Switzerland	3	0.2%
23	Turkey	3	0.2%
24	Hong Kong	2	0.1%
25	New Zealand	2	0.1%
26	Latvia	2	0.1%
27	Argentina	2	0.1%
28	Denmark	2	0.1%
29	Georgia	2	0.1%
30	Mongolia	1	0.1%
31	Greece	1	0.1%
32	Norway	1	0.1%
33	Poland	1	0.1%
34	Taiwan	1	0.1%
35	Thailand	1	0.1%
36	Uganda	1	0.1%
37	Ukraine	1	0.1%