Rank	Countries/Territories	Count	Percent
1	United States	395	39.7%
2	China	284	28.5%
3	Germany	89	8.9%
4	Japan	37	3.7%
5	Canada	29	2.9%
6	France	22	2.2%
7	Argentina	17	1.7%
8	Netherlands	13	1.3%
9	Australia	11	1.1%
10	India	11	1.1%
11	Iran, Islamic Republic of	11	1.1%
12	United Kingdom	8	0.8%
13	Taiwan	7	0.7%
14	Hong Kong	6	0.6%
15	Denmark	5	0.5%
16	Spain	5	0.5%
17	Russia	4	0.4%
18	Cyprus	4	0.4%
19	Ireland	4	0.4%
20	Italy	4	0.4%
21	Korea, Republic of	3	0.3%
22	Belgium	3	0.3%
23	Singapore	3	0.3%
24	Switzerland	3	0.3%
25	United Arab Emirates	2	0.2%
26	Turkey	2	0.2%
27	Poland	2	0.2%
28	Malaysia	2	0.2%
29	Mexico	1	0.1%
30	Lithuania	1	0.1%
31	Romania	1	0.1%
32	Saudi Arabia	1	0.1%
33	South Africa	1	0.1%
34	Sweden	1	0.1%
35	Ukraine	1	0.1%
36	Thailand	1	0.1%
37	Tunisia	1	0.1%