Rank	Countries/Territories	Count	Percent
1	United States	359	42.9%
2	China	213	25.4%
3	Germany	50	6%
4	Korea, Republic of	30	3.6%
5	United Kingdom	25	3%
6	Singapore	25	3%
7	Netherlands	19	2.3%
8	Slovakia	12	1.4%
9	Japan	11	1.3%
10	France	10	1.2%
11	Switzerland	10	1.2%
12	India	9	1.1%
13	Russia	7	0.8%
14	Canada	6	0.7%
15	Turkey	5	0.6%
16	Viet Nam	4	0.5%
17	Romania	4	0.5%
18	Australia	4	0.5%
19	Cyprus	4	0.5%
20	Greece	3	0.4%
21	Poland	3	0.4%
22	Taiwan	3	0.4%
23	Togo	2	0.2%
24	Pakistan	2	0.2%
25	Egypt	2	0.2%
26	Bangladesh	2	0.2%
27	Ireland	2	0.2%
28	Latvia	2	0.2%
29	Mexico	2	0.2%
30	Mongolia	1	0.1%
31	Italy	1	0.1%
32	Indonesia	1	0.1%
33	Iran, Islamic Republic of	1	0.1%
34	Azerbaijan	1	0.1%
35	Hong Kong	1	0.1%
36	Oman	1	0.1%