Rank	Countries/Territories	Count	Percent
1	United States	392	45.1%
2	China	216	24.9%
3	Germany	44	5.1%
4		28	3.2%
5	Russia	28	3.2%
6	India	19	2.2%
7	Brazil	19	2.2%
8	Hong Kong	18	2.1%
9	Japan	15	1.7%
10	Australia	10	1.2%
11	Canada	7	0.8%
12	Korea, Republic of	7	0.8%
13	France	7	0.8%
14	Netherlands	7	0.8%
15	Iran, Islamic Republic of	6	0.7%
16	Ireland	4	0.5%
17	Greece	4	0.5%
18	Pakistan	4	0.5%
19	Romania	3	0.3%
20	Mongolia	3	0.3%
21	Israel	3	0.3%
22	Taiwan	3	0.3%
23	Cyprus	2	0.2%
24	New Zealand	2	0.2%
25	Kuwait	2	0.2%
26	Indonesia	2	0.2%
27	Poland	2	0.2%
28	Saudi Arabia	2	0.2%
29	Slovakia	1	0.1%
30	South Africa	1	0.1%
31	Philippines	1	0.1%
32	Denmark	1	0.1%
33	Finland	1	0.1%
34	Italy	1	0.1%
35	Hungary	1	0.1%
36	United Arab Emirates	1	0.1%
37	United Kingdom	1	0.1%
38	Viet Nam	1	0.1%