Rank	Countries/Territories	Count	Percent
1	United States	404	38.1%
2	China	300	28.3%
3	Germany	108	10.2%
4	France	43	4.1%
5	Japan	20	1.9%
6	Netherlands	20	1.9%
7	Canada	15	1.4%
8	Korea, Republic of	13	1.2%
9	Ireland	12	1.1%
10	India	12	1.1%
11	United Kingdom	12	1.1%
12	Hong Kong	9	0.8%
13	Cyprus	9	0.8%
14	Russia	8	0.8%
15	Turkey	8	0.8%
16	Singapore	7	0.7%
17	Mexico	6	0.6%
18	South Africa	5	0.5%
19	Sweden	4	0.4%
20	Australia	4	0.4%
21	Ukraine	4	0.4%
22	Greece	3	0.3%
23	Taiwan	3	0.3%
24	Romania	3	0.3%
25	Portugal	2	0.2%
26	Thailand	2	0.2%
27	Latvia	2	0.2%
28	Iran, Islamic Republic of	2	0.2%
29	Argentina	2	0.2%
30	Bulgaria	2	0.2%
31	Czech Republic	2	0.2%
32	Denmark	2	0.2%
33	Uzbekistan	2	0.2%
34	Bangladesh	1	0.1%
35	Brazil	1	0.1%
36	Ghana	1	0.1%
37	Malaysia	1	0.1%
38	Mongolia	1	0.1%
39	Morocco	1	0.1%
40	Italy	1	0.1%
41	Norway	1	0.1%
42	Peru	1	0.1%