Rank	Countries/Territories	Count	Percent
1	United States	537	46%
2	China	328	28.1%
3	Germany	89	7.6%
4	France	46	3.9%
5	Canada	34	2.9%
6	Iran, Islamic Republic of	18	1.5%
7	Japan	17	1.5%
8	Netherlands	15	1.3%
9	United Kingdom	14	1.2%
10	Singapore	8	0.7%
11	Brazil	8	0.7%
12	Cyprus	8	0.7%
13	India	7	0.6%
14	Hong Kong	6	0.5%
15	Argentina	4	0.3%
16	Russia	3	0.3%
17	United Arab Emirates	3	0.3%
18	Switzerland	2	0.2%
19	Taiwan	2	0.2%
20	Saudi Arabia	2	0.2%
21	Australia	2	0.2%
22	Bosnia and Herzegovina	2	0.2%
23	Ireland	2	0.2%
24	Lebanon	2	0.2%
25	Mexico	1	0.1%
26	Korea, Republic of	1	0.1%
27	Denmark	1	0.1%
28	Sweden	1	0.1%
29	Norway	1	0.1%
30	Pakistan	1	0.1%
31	Philippines	1	0.1%
32	Poland	1	0.1%
33	Portugal	1	0.1%