Rank	Countries/Territories	Count	Percent
1	United States	329	43.6%
2	China	221	29.3%
3	Germany	78	10.3%
4	Japan	39	5.2%
5	France	26	3.4%
6	Netherlands	11	1.5%
7	United Kingdom	8	1.1%
8	Canada	7	0.9%
9	Hong Kong	6	0.8%
10	India	6	0.8%
11	Australia	3	0.4%
12	Cyprus	3	0.4%
13	Singapore	3	0.4%
14	Switzerland	3	0.4%
15	Thailand	2	0.3%
16	Iran, Islamic Republic of	2	0.3%
17	Norway	2	0.3%
18	Malaysia	1	0.1%
19	Mongolia	1	0.1%
20	Colombia	1	0.1%
21	Belgium	1	0.1%
22	Argentina	1	0.1%
23	Ukraine	1	0.1%