Rank	Countries/Territories	Count	Percent
1	United States	312	42.8%
2	China	216	29.6%
3	Germany	90	12.3%
4	France	23	3.2%
5	Japan	14	1.9%
6	Switzerland	13	1.8%
7	Netherlands	8	1.1%
8	Cyprus	8	1.1%
9	Singapore	7	1%
10	Canada	6	0.8%
11	Bangladesh	5	0.7%
12	Argentina	5	0.7%
13	India	4	0.5%
14	Taiwan	3	0.4%
15	Ukraine	3	0.4%
16	Iran, Islamic Republic of	2	0.3%
17	Italy	2	0.3%
18	Norway	2	0.3%
19	Malaysia	2	0.3%
20	Ireland	1	0.1%
21	Australia	1	0.1%
22	Thailand	1	0.1%
23	Sweden	1	0.1%