Rank	Countries/Territories	Count	Percent
1	United States	419	47.3%
2	China	129	14.6%
3	Germany	81	9.2%
4	Japan	56	6.3%
5	India	27	3.1%
6	United Kingdom	18	2%
7	Korea, Republic of	17	1.9%
8	Canada	17	1.9%
9	Netherlands	15	1.7%
10	Singapore	14	1.6%
11	Russia	12	1.4%
12	Hong Kong	11	1.2%
13	France	8	0.9%
14	Spain	8	0.9%
15	Australia	7	0.8%
16	Ireland	7	0.8%
17	Iran, Islamic Republic of	5	0.6%
18	Taiwan	4	0.5%
19	Turkey	4	0.5%
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	Switzerland	2	0.2%
26	Thailand	2	0.2%
27	Peru	2	0.2%
28	Philippines	1	0.1%
29	Portugal	1	0.1%
30	Nigeria	1	0.1%
31	Slovenia	1	0.1%
32	Sweden	1	0.1%
33	Uganda	1	0.1%
34	Croatia	1	0.1%