Rank	Countries/Territories	Count	Percent
1	United States	547	40.9%
2	China	461	34.5%
3	Germany	127	9.5%
4	Japan	55	4.1%
5	France	31	2.3%
6	Latvia	30	2.2%
7	Canada	17	1.3%
8	Singapore	15	1.1%
9	Netherlands	8	0.6%
10	Australia	7	0.5%
11	Cyprus	7	0.5%
12	Ukraine	5	0.4%
13	Hong Kong	4	0.3%
14	United Kingdom	3	0.2%
15	Russia	3	0.2%
16	Taiwan	2	0.1%
17	Turkey	2	0.1%
18	Belgium	2	0.1%
19	Argentina	2	0.1%
20	Lithuania	2	0.1%
21	Korea, Republic of	2	0.1%
22	Slovakia	1	0.1%
23	South Africa	1	0.1%
24	Switzerland	1	0.1%
25	Iran, Islamic Republic of	1	0.1%