Rank	Countries/Territories	Count	Percent
1	United States	405	49.8%
2	China	197	24.2%
3	Germany	82	10.1%
4	France	38	4.7%
5	Singapore	16	2%
6	Canada	10	1.2%
7	Netherlands	9	1.1%
8	Korea, Republic of	7	0.9%
9	Japan	6	0.7%
10	Thailand	5	0.6%
11	Taiwan	4	0.5%
12	India	4	0.5%
13	Cyprus	4	0.5%
14	Ireland	3	0.4%
15	Mexico	3	0.4%
16	Portugal	2	0.2%
17	Russia	2	0.2%
18	Iran, Islamic Republic of	2	0.2%
19	Argentina	2	0.2%
20	Australia	2	0.2%
21	Ukraine	2	0.2%
22	South Africa	2	0.2%
23	Spain	2	0.2%
24	Switzerland	1	0.1%
25	United Kingdom	1	0.1%
26	Hong Kong	1	0.1%
27	Mongolia	1	0.1%