Rank	Countries/Territories	Count	Percent
1	United States	311	38.9%
2	China	227	28.4%
3	Germany	92	11.5%
4	France	36	4.5%
5	India	29	3.6%
6	Japan	19	2.4%
7	Netherlands	14	1.8%
8	Korea, Republic of	11	1.4%
9	Canada	9	1.1%
10	United Kingdom	5	0.6%
11	Egypt	4	0.5%
12	Colombia	3	0.4%
13	Australia	3	0.4%
14	Libya	3	0.4%
15	Malaysia	3	0.4%
16	Indonesia	3	0.4%
17	Turkey	3	0.4%
18	Ireland	2	0.3%
19	Switzerland	2	0.3%
20	Singapore	2	0.3%
21	Hong Kong	2	0.3%
22	Latvia	2	0.3%
23	Austria	2	0.3%
24	Cameroon	2	0.3%
25	Argentina	1	0.1%
26	Cyprus	1	0.1%
27	Iran, Islamic Republic of	1	0.1%
28	Spain	1	0.1%
29	New Zealand	1	0.1%
30	Saudi Arabia	1	0.1%
31	Taiwan	1	0.1%
32	Venezuela, Bolivarian Republic of	1	0.1%
33	Yemen	1	0.1%
34	Zimbabwe	1	0.1%