Rank	Countries/Territories	Count	Percent
1	United States	432	43.4%
2	China	232	23.3%
3	Germany	90	9%
4	Japan	49	4.9%
5	Hong Kong	18	1.8%
6	United Kingdom	18	1.8%
7	France	15	1.5%
8	Brazil	13	1.3%
9	Canada	11	1.1%
10	Cyprus	9	0.9%
11	India	8	0.8%
12	Romania	8	0.8%
13	Switzerland	8	0.8%
14	Singapore	8	0.8%
15	Spain	6	0.6%
16	Russia	6	0.6%
17	Italy	6	0.6%
18	Mongolia	6	0.6%
19	Indonesia	6	0.6%
20	Australia	5	0.5%
21	Netherlands	4	0.4%
22	Malaysia	4	0.4%
23	Korea, Republic of	3	0.3%
24	Taiwan	3	0.3%
25	Algeria	3	0.3%
26	Argentina	3	0.3%
27	Iran, Islamic Republic of	3	0.3%
28	Greece	2	0.2%
29	Bulgaria	2	0.2%
30	Jamaica	2	0.2%
31	Mauritius	2	0.2%
32	Viet Nam	2	0.2%
33	Tanzania, United Republic of	1	0.1%
34	Thailand	1	0.1%
35	Saudi Arabia	1	0.1%
36	Serbia	1	0.1%
37	Chile	1	0.1%
38	Austria	1	0.1%
39	Belgium	1	0.1%
40	Czech Republic	1	0.1%
41	Ireland	1	0.1%