Rank	Countries/Territories	Count	Percent
1	United States	435	44.8%
2	China	187	19.3%
3	Germany	86	8.9%
4	Korea, Republic of	65	6.7%
5	France	24	2.5%
6	Ireland	22	2.3%
7	Japan	22	2.3%
8	Netherlands	19	2%
9	India	13	1.3%
10	Singapore	12	1.2%
11	Sweden	12	1.2%
12	Egypt	11	1.1%
13	Canada	9	0.9%
14	Cyprus	6	0.6%
15	Iran, Islamic Republic of	6	0.6%
16	Uzbekistan	5	0.5%
17	Philippines	4	0.4%
18	Hong Kong	4	0.4%
19	Belgium	3	0.3%
20	Taiwan	3	0.3%
21	Viet Nam	3	0.3%
22	United Kingdom	3	0.3%
23	Peru	2	0.2%
24	Russia	2	0.2%
25	Australia	2	0.2%
26	Azerbaijan	2	0.2%
27	Malaysia	2	0.2%
28	Mongolia	1	0.1%
29	Hungary	1	0.1%
30	Bangladesh	1	0.1%
31	Norway	1	0.1%
32	Ukraine	1	0.1%
33	Spain	1	0.1%