Rank	Countries/Territories	Count	Percent
1	United States	329	35.6%
2	China	302	32.7%
3	Germany	107	11.6%
4	France	23	2.5%
5	Hong Kong	18	1.9%
6	Iran, Islamic Republic of	16	1.7%
7	Canada	13	1.4%
8	Bulgaria	12	1.3%
9	Italy	12	1.3%
10	India	11	1.2%
11	Japan	10	1.1%
12	Spain	8	0.9%
13	Netherlands	7	0.8%
14	Romania	5	0.5%
15	Singapore	4	0.4%
16	Korea, Republic of	4	0.4%
17	Latvia	4	0.4%
18	United Kingdom	4	0.4%
19	Australia	4	0.4%
20	Cyprus	4	0.4%
21	Turkey	3	0.3%
22	Malaysia	3	0.3%
23	Russia	3	0.3%
24	Macao	2	0.2%
25	Viet Nam	2	0.2%
26	Sweden	2	0.2%
27	Bolivia, Plurinational State of	2	0.2%
28	Ireland	2	0.2%
29	Kenya	1	0.1%
30	Ghana	1	0.1%
31	Bangladesh	1	0.1%
32	Switzerland	1	0.1%
33	Trinidad and Tobago	1	0.1%
34	Tunisia	1	0.1%
35	Poland	1	0.1%
36	Qatar	1	0.1%