Rank	Countries/Territories	Count	Percent
1	United States	317	43.4%
2	China	160	21.9%
3	Germany	50	6.8%
4	Korea, Republic of	29	4%
5	United Kingdom	25	3.4%
6	Singapore	25	3.4%
7	Netherlands	16	2.2%
8	Slovakia	12	1.6%
9	Switzerland	10	1.4%
10	France	9	1.2%
11	India	9	1.2%
12	Japan	8	1.1%
13	Russia	7	1%
14	Canada	6	0.8%
15	Turkey	5	0.7%
16	Viet Nam	4	0.5%
17	Romania	4	0.5%
18	Australia	4	0.5%
19	Greece	3	0.4%
20	Cyprus	3	0.4%
21	Poland	3	0.4%
22	Taiwan	3	0.4%
23	Togo	2	0.3%
24	Pakistan	2	0.3%
25	Egypt	2	0.3%
26	Bangladesh	2	0.3%
27	Latvia	2	0.3%
28	Mexico	2	0.3%
29	Mongolia	1	0.1%
30	Indonesia	1	0.1%
31	Iran, Islamic Republic of	1	0.1%
32	Italy	1	0.1%
33	Azerbaijan	1	0.1%
34	Hong Kong	1	0.1%
35	Oman	1	0.1%