Rank	Countries/Territories	Count	Percent
1	United States	478	32%
2	China	436	29.2%
3	Germany	175	11.7%
4	France	76	5.1%
5	Japan	51	3.4%
6		51	3.4%
7	India	36	2.4%
8	Ireland	32	2.1%
9	Australia	26	1.7%
10	Netherlands	24	1.6%
11	Korea, Republic of	15	1%
12	Canada	15	1%
13	Hong Kong	7	0.5%
14	Singapore	7	0.5%
15	Nigeria	5	0.3%
16	Bangladesh	5	0.3%
17	United Kingdom	5	0.3%
18	Cyprus	4	0.3%
19	Latvia	4	0.3%
20	Sweden	4	0.3%
21	Malaysia	3	0.2%
22	Portugal	3	0.2%
23	Norway	3	0.2%
24	Pakistan	3	0.2%
25	Colombia	3	0.2%
26	Argentina	3	0.2%
27	Thailand	3	0.2%
28	Ukraine	3	0.2%
29	Libya	2	0.1%
30	New Zealand	2	0.1%
31	Russia	2	0.1%
32	Poland	2	0.1%
33	Switzerland	2	0.1%
34	Tanzania, United Republic of	1	0.1%
35	Peru	1	0.1%
36	Indonesia	1	0.1%
37	Jordan	1	0.1%