Rank	Countries/Territories	Count	Percent
1	United States	555	41.2%
2	China	349	25.9%
3	Germany	88	6.5%
4	Japan	74	5.5%
5	Australia	64	4.8%
6	Singapore	55	4.1%
7	Latvia	33	2.4%
8	France	33	2.4%
9	Switzerland	15	1.1%
10	Netherlands	14	1%
11	Ukraine	8	0.6%
12	United Kingdom	7	0.5%
13	Mongolia	6	0.4%
14	Cyprus	6	0.4%
15	Canada	5	0.4%
16	Korea, Republic of	5	0.4%
17	Indonesia	5	0.4%
18	Czech Republic	4	0.3%
19	Ireland	3	0.2%
20	Taiwan	3	0.2%
21	Russia	3	0.2%
22	Viet Nam	2	0.1%
23	South Africa	2	0.1%
24	Malaysia	2	0.1%
25	Hong Kong	2	0.1%
26	India	1	0.1%
27	Argentina	1	0.1%
28	Bangladesh	1	0.1%
29	Norway	1	0.1%