Rank	Countries/Territories	Count	Percent
1	United States	421	37.8%
2	China	393	35.2%
3	Germany	118	10.6%
4	Singapore	41	3.7%
5	Japan	30	2.7%
6	Netherlands	15	1.3%
7	Canada	11	1%
8	France	10	0.9%
9	India	10	0.9%
10	Iran, Islamic Republic of	9	0.8%
11	Italy	8	0.7%
12	Switzerland	8	0.7%
13	Hong Kong	7	0.6%
14	Cyprus	7	0.6%
15	Bangladesh	4	0.4%
16	Australia	3	0.3%
17	United Arab Emirates	3	0.3%
18	United Kingdom	2	0.2%
19	New Zealand	2	0.2%
20	Pakistan	2	0.2%
21	Taiwan	2	0.2%
22	Thailand	2	0.2%
23	Argentina	2	0.2%
24	Latvia	2	0.2%
25	Malaysia	1	0.1%
26	Indonesia	1	0.1%
27	Bosnia and Herzegovina	1	0.1%