Rank	Countries/Territories	Count	Percent
1	United States	561	41.6%
2	China	390	28.9%
3	Germany	144	10.7%
4	Korea, Republic of	32	2.4%
5	France	26	1.9%
6	Cyprus	25	1.9%
7	Canada	24	1.8%
8	Japan	21	1.6%
9	United Kingdom	18	1.3%
10	Russia	16	1.2%
11	Iran, Islamic Republic of	14	1%
12	Turkey	11	0.8%
13	Singapore	9	0.7%
14	Netherlands	9	0.7%
15	India	8	0.6%
16	Peru	6	0.4%
17	Malaysia	4	0.3%
18	Mexico	4	0.3%
19	Hong Kong	4	0.3%
20	Australia	3	0.2%
21	Taiwan	3	0.2%
22	Switzerland	2	0.1%
23	Romania	2	0.1%
24	Norway	2	0.1%
25	Bangladesh	2	0.1%
26	Latvia	2	0.1%
27	Luxembourg	2	0.1%
28	Indonesia	1	0.1%
29	Argentina	1	0.1%
30	Egypt	1	0.1%
31	Ukraine	1	0.1%
32	Viet Nam	1	0.1%