Rank	Countries/Territories	Count	Percent
1	United States	381	37.9%
2	China	352	35%
3	Germany	93	9.2%
4	Canada	29	2.9%
5		28	2.8%
6	Japan	20	2%
7	Australia	10	1%
8	Cyprus	9	0.9%
9	France	9	0.9%
10	Netherlands	8	0.8%
11	Taiwan	8	0.8%
12	Singapore	7	0.7%
13	Korea, Republic of	6	0.6%
14	Iran, Islamic Republic of	5	0.5%
15	India	4	0.4%
16	Italy	4	0.4%
17	Hong Kong	3	0.3%
18	Egypt	3	0.3%
19	Lithuania	3	0.3%
20	Switzerland	3	0.3%
21	Turkey	3	0.3%
22	Russia	2	0.2%
23	Malaysia	2	0.2%
24	Bangladesh	2	0.2%
25	Argentina	2	0.2%
26	Greece	2	0.2%
27	Ireland	2	0.2%
28	Denmark	1	0.1%
29	Mongolia	1	0.1%
30	Norway	1	0.1%
31	Ukraine	1	0.1%
32	United Arab Emirates	1	0.1%
33	United Kingdom	1	0.1%