Rank	Countries/Territories	Count	Percent
1	United States	437	50.1%
2	China	240	27.5%
3	Germany	59	6.8%
4	Canada	12	1.4%
5	France	12	1.4%
6	Japan	11	1.3%
7	Cyprus	9	1%
8	Australia	9	1%
9	United Kingdom	9	1%
10	Netherlands	9	1%
11	Russia	8	0.9%
12	Turkey	7	0.8%
13	Singapore	6	0.7%
14	Spain	5	0.6%
15	Switzerland	4	0.5%
16	Hong Kong	4	0.5%
17	Indonesia	3	0.3%
18	Iran, Islamic Republic of	3	0.3%
19	Croatia	3	0.3%
20	Argentina	2	0.2%
21	Ireland	2	0.2%
22	Israel	2	0.2%
23	Denmark	2	0.2%
24	Mexico	2	0.2%
25	Thailand	2	0.2%
26	South Africa	2	0.2%
27	Oman	2	0.2%
28	Philippines	2	0.2%
29	Norway	1	0.1%
30		1	0.1%
31	Bangladesh	1	0.1%
32	Bulgaria	1	0.1%
33	Chile	1	0.1%