Rank	Countries/Territories	Count	Percent
1	United States	571	38.2%
2	China	555	37.1%
3	Germany	130	8.7%
4	Canada	46	3.1%
5	India	20	1.3%
6	Japan	19	1.3%
7	France	16	1.1%
8	Spain	15	1%
9	Cyprus	14	0.9%
10	Korea, Republic of	13	0.9%
11	Hong Kong	11	0.7%
12	Australia	8	0.5%
13	Netherlands	7	0.5%
14	Turkey	7	0.5%
15	Singapore	7	0.5%
16	United Kingdom	6	0.4%
17	Viet Nam	4	0.3%
18	Thailand	4	0.3%
19	Brazil	4	0.3%
20	Argentina	3	0.2%
21	Iran, Islamic Republic of	3	0.2%
22	Israel	3	0.2%
23	Switzerland	3	0.2%
24	Mongolia	3	0.2%
25	Ukraine	3	0.2%
26	Kenya	2	0.1%
27	Oman	2	0.1%
28	Ireland	2	0.1%
29	Georgia	2	0.1%
30	Italy	1	0.1%
31	Egypt	1	0.1%
32	Bahrain	1	0.1%
33	Bangladesh	1	0.1%
34	Belgium	1	0.1%
35	Poland	1	0.1%
36	Romania	1	0.1%
37	Russia	1	0.1%
38	Taiwan	1	0.1%
39	Trinidad and Tobago	1	0.1%
40	Malaysia	1	0.1%
41	Norway	1	0.1%