Rank	Countries/Territories	Count	Percent
1	United States	305	46.5%
2	China	177	27%
3	Germany	69	10.5%
4	France	22	3.4%
5	Japan	14	2.1%
6	Switzerland	13	2%
7	Netherlands	8	1.2%
8	Singapore	7	1.1%
9	Cyprus	7	1.1%
10	Canada	6	0.9%
11	Argentina	5	0.8%
12	India	4	0.6%
13	Taiwan	3	0.5%
14	Ukraine	3	0.5%
15	Italy	2	0.3%
16	Iran, Islamic Republic of	2	0.3%
17	Malaysia	2	0.3%
18	Norway	2	0.3%
19	Sweden	1	0.2%
20	Ireland	1	0.2%
21	Australia	1	0.2%
22	Bangladesh	1	0.2%
23	Thailand	1	0.2%