Rank	Countries/Territories	Count	Percent
1	United States	515	45.9%
2	China	229	20.4%
3	Germany	134	11.9%
4	Japan	48	4.3%
5	France	30	2.7%
6	Netherlands	17	1.5%
7	United Kingdom	16	1.4%
8	India	16	1.4%
9	Iran, Islamic Republic of	11	1%
10	Hong Kong	10	0.9%
11	Spain	9	0.8%
12	Ireland	8	0.7%
13	Bulgaria	8	0.7%
14	Canada	6	0.5%
15	Italy	6	0.5%
16	Cyprus	6	0.5%
17	Senegal	6	0.5%
18	Singapore	5	0.4%
19	Austria	5	0.4%
20	Croatia	4	0.4%
21	Korea, Republic of	4	0.4%
22	New Zealand	3	0.3%
23	Taiwan	3	0.3%
24	Russia	3	0.3%
25	Ecuador	3	0.3%
26	Finland	2	0.2%
27	Argentina	2	0.2%
28	South Africa	2	0.2%
29	Pakistan	2	0.2%
30	Mauritania	2	0.2%
31	Romania	2	0.2%
32	Peru	1	0.1%
33	Thailand	1	0.1%
34	Australia	1	0.1%
35	Bangladesh	1	0.1%
36	Belgium	1	0.1%