Rank	Countries/Territories	Count	Percent
1	United States	463	42.4%
2	China	268	24.6%
3	Germany	89	8.2%
4	Canada	40	3.7%
5	India	30	2.7%
6	France	27	2.5%
7	United Kingdom	23	2.1%
8	Korea, Republic of	21	1.9%
9	Spain	14	1.3%
10	Japan	12	1.1%
11	Netherlands	11	1%
12	Greece	10	0.9%
13	Australia	9	0.8%
14	Singapore	6	0.5%
15		5	0.5%
16	Cyprus	5	0.5%
17	Russia	5	0.5%
18	Switzerland	4	0.4%
19	Argentina	4	0.4%
20	Iran, Islamic Republic of	4	0.4%
21	Ireland	4	0.4%
22	Brazil	4	0.4%
23	Czech Republic	3	0.3%
24	Saudi Arabia	3	0.3%
25	Portugal	3	0.3%
26	Jordan	3	0.3%
27	Lebanon	2	0.2%
28	Taiwan	2	0.2%
29	Austria	2	0.2%
30	Egypt	2	0.2%
31	Slovakia	2	0.2%
32	Ukraine	2	0.2%
33	Hong Kong	1	0.1%
34	Bangladesh	1	0.1%
35	Denmark	1	0.1%
36	Turkey	1	0.1%
37	Qatar	1	0.1%
38	Lithuania	1	0.1%
39	Pakistan	1	0.1%
40	Palestine, State of	1	0.1%
41	Latvia	1	0.1%