Rank	Countries/Territories	Count	Percent
1	United States	329	35.4%
2	China	320	34.4%
3	Germany	77	8.3%
4	Netherlands	22	2.4%
5	India	20	2.2%
6	United Kingdom	17	1.8%
7	Japan	15	1.6%
8	Canada	12	1.3%
9		10	1.1%
10	France	10	1.1%
11	Singapore	9	1%
12	Australia	9	1%
13	Ireland	9	1%
14	Saudi Arabia	7	0.8%
15	Korea, Republic of	6	0.6%
16	Viet Nam	6	0.6%
17	Cyprus	5	0.5%
18	Greece	4	0.4%
19	Morocco	4	0.4%
20	Romania	4	0.4%
21	Turkey	4	0.4%
22	Italy	3	0.3%
23	Sri Lanka	3	0.3%
24	Taiwan	3	0.3%
25	Slovenia	2	0.2%
26	Poland	2	0.2%
27	Portugal	2	0.2%
28	Indonesia	2	0.2%
29	Iran, Islamic Republic of	2	0.2%
30	Israel	1	0.1%
31	Libya	1	0.1%
32	Lithuania	1	0.1%
33	Czech Republic	1	0.1%
34	Argentina	1	0.1%
35	Russia	1	0.1%
36	New Zealand	1	0.1%
37	Pakistan	1	0.1%
38	Thailand	1	0.1%
39	Sweden	1	0.1%
40	Switzerland	1	0.1%