Rank	Countries/Territories	Count	Percent
1	United States	497	50.1%
2	China	196	19.8%
3	Germany	128	12.9%
4	France	29	2.9%
5		28	2.8%
6	Canada	19	1.9%
7	Ukraine	12	1.2%
8	Australia	12	1.2%
9	Cyprus	9	0.9%
10	Netherlands	9	0.9%
11	Singapore	9	0.9%
12	Ireland	7	0.7%
13	Japan	7	0.7%
14	Latvia	6	0.6%
15	Argentina	6	0.6%
16	Russia	6	0.6%
17	Korea, Republic of	3	0.3%
18	India	2	0.2%
19	Norway	2	0.2%
20	Brazil	2	0.2%
21	Georgia	1	0.1%
22	Lithuania	1	0.1%
23	Taiwan	1	0.1%