Rank	Countries/Territories	Count	Percent
1	United States	381	37.1%
2	China	352	34.2%
3	Germany	118	11.5%
4	Japan	47	4.6%
5	Canada	17	1.7%
6	France	16	1.6%
7	Netherlands	16	1.6%
8	Singapore	16	1.6%
9	Australia	10	1%
10	Turkey	8	0.8%
11	India	7	0.7%
12	Cyprus	5	0.5%
13	Mongolia	4	0.4%
14	Ukraine	4	0.4%
15	Spain	4	0.4%
16	United Kingdom	3	0.3%
17	Indonesia	3	0.3%
18	Iran, Islamic Republic of	3	0.3%
19	Hong Kong	3	0.3%
20	Bangladesh	2	0.2%
21	Viet Nam	2	0.2%
22	Pakistan	2	0.2%
23	Palestine, State of	1	0.1%
24	South Africa	1	0.1%
25	Bulgaria	1	0.1%
26	Ireland	1	0.1%
27	Norway	1	0.1%