Rank	Countries/Territories	Count	Percent
1	United States	629	37.7%
2	China	517	31%
3	Germany	179	10.7%
4	Latvia	75	4.5%
5	France	51	3.1%
6	Japan	25	1.5%
7	United Kingdom	25	1.5%
8	Russia	25	1.5%
9	Netherlands	21	1.3%
10	Canada	19	1.1%
11	Korea, Republic of	18	1.1%
12	Singapore	13	0.8%
13	Ireland	8	0.5%
14	South Africa	7	0.4%
15	Taiwan	6	0.4%
16	Australia	6	0.4%
17	India	5	0.3%
18	Cyprus	4	0.2%
19	Switzerland	4	0.2%
20	Portugal	4	0.2%
21	Norway	4	0.2%
22	Uganda	3	0.2%
23	Sweden	2	0.1%
24	Peru	2	0.1%
25	Malaysia	2	0.1%
26	Mexico	2	0.1%
27	Mongolia	2	0.1%
28	Iran, Islamic Republic of	2	0.1%
29	Italy	1	0.1%
30	Luxembourg	1	0.1%
31	Argentina	1	0.1%
32	Hong Kong	1	0.1%
33	Romania	1	0.1%
34	Slovenia	1	0.1%
35	Spain	1	0.1%