Rank	Countries/Territories	Count	Percent
1	United States	282	28.3%
2	China	262	26.3%
3	Germany	78	7.8%
4	France	34	3.4%
5	India	32	3.2%
6	Netherlands	31	3.1%
7	Portugal	31	3.1%
8	Singapore	28	2.8%
9	Korea, Republic of	28	2.8%
10	Japan	26	2.6%
11	Italy	17	1.7%
12	Mexico	13	1.3%
13	Canada	13	1.3%
14	Ireland	12	1.2%
15	Sweden	12	1.2%
16	Czech Republic	9	0.9%
17	Taiwan	8	0.8%
18	Cyprus	7	0.7%
19	Spain	7	0.7%
20	Russia	7	0.7%
21	Turkey	6	0.6%
22	Poland	5	0.5%
23	Greece	5	0.5%
24	Ecuador	3	0.3%
25	Chile	3	0.3%
26	Australia	3	0.3%
27	Pakistan	3	0.3%
28	Peru	3	0.3%
29	Iran, Islamic Republic of	3	0.3%
30	Switzerland	3	0.3%
31	Tanzania, United Republic of	2	0.2%
32	United Kingdom	2	0.2%
33	Viet Nam	2	0.2%
34	Latvia	2	0.2%
35	Colombia	2	0.2%
36	Costa Rica	2	0.2%
37	Argentina	2	0.2%
38	Denmark	2	0.2%
39	El Salvador	1	0.1%
40	Hong Kong	1	0.1%
41	Croatia	1	0.1%
42	Brazil	1	0.1%
43	Bulgaria	1	0.1%
44	Malaysia	1	0.1%
45	Jamaica	1	0.1%
46	Zambia	1	0.1%