Rank	Countries/Territories	Count	Percent
1	United States	645	38.2%
2	China	566	33.5%
3	Germany	175	10.4%
4	France	44	2.6%
5	Korea, Republic of	35	2.1%
6	Canada	28	1.7%
7	Cyprus	27	1.6%
8	Japan	22	1.3%
9	United Kingdom	21	1.2%
10	Russia	16	0.9%
11	Iran, Islamic Republic of	14	0.8%
12	Singapore	11	0.7%
13	Netherlands	11	0.7%
14	Turkey	11	0.7%
15	Hong Kong	8	0.5%
16	India	8	0.5%
17	Malaysia	7	0.4%
18	Peru	6	0.4%
19	Taiwan	5	0.3%
20	Mexico	4	0.2%
21	Australia	3	0.2%
22	Ukraine	3	0.2%
23	Viet Nam	2	0.1%
24	Romania	2	0.1%
25	Norway	2	0.1%
26	Sweden	2	0.1%
27	Switzerland	2	0.1%
28	Bangladesh	2	0.1%
29	Latvia	2	0.1%
30	Luxembourg	2	0.1%
31	Egypt	1	0.1%
32	Argentina	1	0.1%
33	Indonesia	1	0.1%