Rank	Countries/Territories	Count	Percent
1	United States	477	33%
2	China	380	26.3%
3	Germany	125	8.7%
4	Korea, Republic of	65	4.5%
5	Taiwan	57	3.9%
6	France	47	3.3%
7	India	30	2.1%
8	Japan	25	1.7%
9	Russia	24	1.7%
10	Netherlands	23	1.6%
11	Canada	18	1.2%
12	Brazil	18	1.2%
13		15	1%
14	Greece	11	0.8%
15	Hong Kong	11	0.8%
16	Ireland	11	0.8%
17	Cyprus	10	0.7%
18	Trinidad and Tobago	9	0.6%
19	United Kingdom	9	0.6%
20	Turkey	8	0.6%
21	Norway	7	0.5%
22	Senegal	6	0.4%
23	Singapore	6	0.4%
24	Indonesia	6	0.4%
25	Viet Nam	6	0.4%
26	Australia	5	0.3%
27	Argentina	4	0.3%
28	Philippines	4	0.3%
29	Cambodia	3	0.2%
30	Egypt	3	0.2%
31	Thailand	3	0.2%
32	Syrian Arab Republic	2	0.1%
33	Israel	2	0.1%
34	Poland	2	0.1%
35	Latvia	2	0.1%
36	Malaysia	1	0.1%
37	Mexico	1	0.1%
38	Mongolia	1	0.1%
39	Romania	1	0.1%
40	Slovakia	1	0.1%
41	Switzerland	1	0.1%
42	Saudi Arabia	1	0.1%
43	Italy	1	0.1%
44	Iran, Islamic Republic of	1	0.1%
45	Iraq	1	0.1%
46	Ukraine	1	0.1%