Rank	Countries/Territories	Count	Percent
1	United States	567	38.4%
2	China	438	29.6%
3	Germany	97	6.6%
4	Japan	76	5.1%
5	Australia	64	4.3%
6	Singapore	56	3.8%
7	Latvia	41	2.8%
8	France	35	2.4%
9	Switzerland	15	1%
10	Netherlands	14	0.9%
11	Canada	11	0.7%
12	Ukraine	8	0.5%
13	United Kingdom	7	0.5%
14	Cyprus	6	0.4%
15	Mongolia	6	0.4%
16	Korea, Republic of	5	0.3%
17	Indonesia	5	0.3%
18	Czech Republic	4	0.3%
19	Ireland	3	0.2%
20	Russia	3	0.2%
21	Taiwan	3	0.2%
22	South Africa	2	0.1%
23	Saudi Arabia	2	0.1%
24	Viet Nam	2	0.1%
25	Malaysia	2	0.1%
26	Hong Kong	2	0.1%
27	India	1	0.1%
28	Argentina	1	0.1%
29	Bangladesh	1	0.1%
30	Norway	1	0.1%