Rank	Countries/Territories	Count	Percent
1	United States	520	43.9%
2	China	339	28.6%
3	Germany	98	8.3%
4	Latvia	30	2.5%
5	Netherlands	26	2.2%
6	Ireland	25	2.1%
7	Korea, Republic of	21	1.8%
8	Japan	19	1.6%
9	France	19	1.6%
10	India	17	1.4%
11	Singapore	11	0.9%
12	United Kingdom	9	0.8%
13	Canada	7	0.6%
14	Cyprus	7	0.6%
15	Algeria	7	0.6%
16	Australia	7	0.6%
17	Indonesia	4	0.3%
18	New Zealand	3	0.3%
19	Switzerland	3	0.3%
20	Romania	3	0.3%
21	Norway	2	0.2%
22	Poland	2	0.2%
23	Belgium	2	0.2%
24	Brazil	1	0.1%
25	Russia	1	0.1%
26	Spain	1	0.1%
27	Taiwan	1	0.1%