Rank	Countries/Territories	Count	Percent
1	United States	433	47.2%
2	China	132	14.4%
3	Germany	81	8.8%
4	Japan	56	6.1%
5	India	27	2.9%
6	Russia	26	2.8%
7	United Kingdom	18	2%
8	Korea, Republic of	17	1.9%
9	Canada	17	1.9%
10	Netherlands	15	1.6%
11	Singapore	14	1.5%
12	Hong Kong	11	1.2%
13	France	9	1%
14	Spain	8	0.9%
15	Australia	7	0.8%
16	Ireland	7	0.8%
17	Iran, Islamic Republic of	5	0.5%
18	Taiwan	4	0.4%
19	Turkey	4	0.4%
20	Italy	3	0.3%
21	Malaysia	3	0.3%
22	Cyprus	3	0.3%
23	Denmark	2	0.2%
24	Mauritius	2	0.2%
25	Thailand	2	0.2%
26	Switzerland	2	0.2%
27	Peru	2	0.2%
28	Philippines	1	0.1%
29	Portugal	1	0.1%
30	Nigeria	1	0.1%
31	Sweden	1	0.1%
32	Slovenia	1	0.1%
33	Uganda	1	0.1%
34	Croatia	1	0.1%