Rank	Countries/Territories	Count	Percent
1	United States	406	49.2%
2	China	232	28.1%
3	Germany	75	9.1%
4	Singapore	36	4.4%
5	Netherlands	12	1.5%
6	Australia	9	1.1%
7	Canada	7	0.8%
8	Iran, Islamic Republic of	7	0.8%
9	Japan	6	0.7%
10	United Kingdom	5	0.6%
11	France	4	0.5%
12	India	4	0.5%
13	Mexico	2	0.2%
14	Morocco	2	0.2%
15	Argentina	2	0.2%
16	Hong Kong	2	0.2%
17	Ukraine	2	0.2%
18	United Arab Emirates	2	0.2%
19	South Africa	2	0.2%
20	Sweden	2	0.2%
21	Switzerland	1	0.1%
22	Taiwan	1	0.1%
23	Cyprus	1	0.1%
24	Bangladesh	1	0.1%
25	Belgium	1	0.1%
26	Romania	1	0.1%
27	Russia	1	0.1%