Rank	Countries/Territories	Count	Percent
1	United States	324	35.3%
2	China	293	31.9%
3	Germany	98	10.7%
4	Korea, Republic of	25	2.7%
5	Netherlands	24	2.6%
6	France	21	2.3%
7	Japan	21	2.3%
8	India	11	1.2%
9	Belgium	11	1.2%
10	Mexico	10	1.1%
11	United Kingdom	9	1%
12	Australia	9	1%
13	Singapore	8	0.9%
14	Egypt	6	0.7%
15	Russia	5	0.5%
16	Pakistan	4	0.4%
17	Malaysia	4	0.4%
18	Poland	3	0.3%
19	Taiwan	3	0.3%
20	Indonesia	3	0.3%
21	Viet Nam	3	0.3%
22	Iran, Islamic Republic of	2	0.2%
23	Hong Kong	2	0.2%
24	Czech Republic	2	0.2%
25	Spain	2	0.2%
26	Portugal	2	0.2%
27	Philippines	2	0.2%
28	Switzerland	1	0.1%
29	Liberia	1	0.1%
30	Paraguay	1	0.1%
31	Mongolia	1	0.1%
32	Cyprus	1	0.1%
33	Argentina	1	0.1%
34	Bolivia, Plurinational State of	1	0.1%
35	Canada	1	0.1%
36	Hungary	1	0.1%
37	Jordan	1	0.1%
38	Ireland	1	0.1%