Rank	Countries/Territories	Count	Percent
1	United States	421	35.6%
2	China	347	29.3%
3	Germany	97	8.2%
4	Italy	42	3.6%
5	Japan	32	2.7%
6	Taiwan	29	2.5%
7	India	29	2.5%
8	Iran, Islamic Republic of	27	2.3%
9	France	19	1.6%
10	Egypt	18	1.5%
11	Netherlands	17	1.4%
12	Switzerland	14	1.2%
13	Spain	9	0.8%
14	United Kingdom	8	0.7%
15	Ukraine	6	0.5%
16	Cyprus	6	0.5%
17	Brazil	6	0.5%
18	Argentina	5	0.4%
19	Ireland	5	0.4%
20	Denmark	4	0.3%
21	Canada	4	0.3%
22	Singapore	4	0.3%
23	Malaysia	4	0.3%
24	Russia	4	0.3%
25	Mexico	3	0.3%
26	Turkey	3	0.3%
27	Norway	3	0.3%
28	Poland	3	0.3%
29	United Arab Emirates	3	0.3%
30	Romania	2	0.2%
31	Chile	2	0.2%
32	Costa Rica	1	0.1%
33	Australia	1	0.1%
34	Bulgaria	1	0.1%
35	Ecuador	1	0.1%
36	Korea, Republic of	1	0.1%
37	Kuwait	1	0.1%
38	Saudi Arabia	1	0.1%