Rank	Countries/Territories	Count	Percent
1	United States	389	47.5%
2	China	159	19.4%
3	Germany	61	7.4%
4	Japan	42	5.1%
5	Hong Kong	18	2.2%
6	United Kingdom	16	2%
7	Brazil	13	1.6%
8	France	12	1.5%
9	Canada	8	1%
10	Romania	8	1%
11	Switzerland	8	1%
12	India	7	0.9%
13	Cyprus	7	0.9%
14	Singapore	7	0.9%
15	Indonesia	6	0.7%
16	Russia	6	0.7%
17	Italy	6	0.7%
18	Mongolia	6	0.7%
19	Malaysia	4	0.5%
20	Spain	4	0.5%
21	Netherlands	3	0.4%
22	Taiwan	3	0.4%
23	Iran, Islamic Republic of	3	0.4%
24	Greece	2	0.2%
25	Bulgaria	2	0.2%
26	Argentina	2	0.2%
27	Mauritius	2	0.2%
28	Jamaica	2	0.2%
29	Korea, Republic of	2	0.2%
30	Viet Nam	2	0.2%
31	Tanzania, United Republic of	1	0.1%
32	Thailand	1	0.1%
33	Saudi Arabia	1	0.1%
34	Serbia	1	0.1%
35	Australia	1	0.1%
36	Austria	1	0.1%
37	Belgium	1	0.1%
38	Chile	1	0.1%
39	Ireland	1	0.1%