Rank	Countries/Territories	Count	Percent
1	United States	295	45.8%
2	China	158	24.5%
3	Germany	77	12%
4	France	18	2.8%
5	Japan	15	2.3%
6	Netherlands	7	1.1%
7	Norway	6	0.9%
8	Ireland	6	0.9%
9	Saudi Arabia	6	0.9%
10	Canada	5	0.8%
11	Australia	5	0.8%
12	Colombia	4	0.6%
13	Singapore	4	0.6%
14	United Kingdom	4	0.6%
15	Brazil	3	0.5%
16	India	3	0.5%
17	Hungary	2	0.3%
18	Ethiopia	2	0.3%
19	Bangladesh	2	0.3%
20	Iran, Islamic Republic of	2	0.3%
21	Russia	2	0.3%
22	Lebanon	2	0.3%
23	Malaysia	2	0.3%
24	Mongolia	2	0.3%
25	Jamaica	1	0.2%
26	Kuwait	1	0.2%
27	South Africa	1	0.2%
28	Spain	1	0.2%
29	Switzerland	1	0.2%
30	Uganda	1	0.2%
31	United Arab Emirates	1	0.2%
32	Argentina	1	0.2%
33	Cyprus	1	0.2%
34	Egypt	1	0.2%
35	Hong Kong	1	0.2%
36	Indonesia	1	0.2%