Rank	Countries/Territories	Count	Percent
1	United States	592	37.6%
2	China	493	31.3%
3	Germany	107	6.8%
4	Japan	78	5%
5	Australia	64	4.1%
6	Singapore	56	3.6%
7	Latvia	41	2.6%
8	France	37	2.3%
9	Switzerland	15	1%
10	Netherlands	14	0.9%
11	Canada	11	0.7%
12	Ukraine	8	0.5%
13	United Kingdom	8	0.5%
14	Cyprus	7	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	Taiwan	4	0.3%
20	Russia	3	0.2%
21	Ireland	3	0.2%
22	Malaysia	2	0.1%
23	Hong Kong	2	0.1%
24	Saudi Arabia	2	0.1%
25	South Africa	2	0.1%
26	Viet Nam	2	0.1%
27	Norway	1	0.1%
28	India	1	0.1%
29	Argentina	1	0.1%
30	Bangladesh	1	0.1%