Rank	Countries/Territories	Count	Percent
1	United States	420	38%
2	China	300	27.1%
3	Germany	141	12.8%
4	France	49	4.4%
5	Korea, Republic of	36	3.3%
6	Canada	36	3.3%
7	Netherlands	17	1.5%
8	India	14	1.3%
9	Palestine, State of	13	1.2%
10	Australia	12	1.1%
11	Japan	9	0.8%
12	Cyprus	8	0.7%
13	Switzerland	8	0.7%
14	Colombia	6	0.5%
15	Thailand	5	0.5%
16	United Kingdom	4	0.4%
17	South Africa	3	0.3%
18	Russia	3	0.3%
19	Brazil	3	0.3%
20	Bulgaria	3	0.3%
21	Egypt	2	0.2%
22	Pakistan	2	0.2%
23	Malaysia	2	0.2%
24	Saudi Arabia	2	0.2%
25	Singapore	2	0.2%
26	Viet Nam	2	0.2%
27	Ukraine	1	0.1%
28	Ireland	1	0.1%
29	Argentina	1	0.1%