Rank	Countries/Territories	Count	Percent
1	United States	517	43.5%
2	China	264	22.2%
3	Germany	156	13.1%
4	United Kingdom	32	2.7%
5	France	31	2.6%
6	Canada	22	1.9%
7	Iran, Islamic Republic of	17	1.4%
8	Netherlands	16	1.3%
9	Hong Kong	16	1.3%
10	Japan	15	1.3%
11	Korea, Republic of	11	0.9%
12	Spain	11	0.9%
13	Czech Republic	10	0.8%
14	Cyprus	9	0.8%
15	Australia	9	0.8%
16	Singapore	8	0.7%
17	India	7	0.6%
18	Ireland	6	0.5%
19	Russia	6	0.5%
20	Taiwan	6	0.5%
21	Norway	3	0.3%
22	Philippines	2	0.2%
23	Italy	2	0.2%
24	Morocco	2	0.2%
25	Bangladesh	2	0.2%
26	Belgium	2	0.2%
27	Slovakia	2	0.2%
28	Sweden	2	0.2%
29	Thailand	1	0.1%
30	Ukraine	1	0.1%