Rank	Countries/Territories	Count	Percent
1	United States	245	27.8%
2	China	221	25.1%
3	Germany	73	8.3%
4	Netherlands	31	3.5%
5	Portugal	30	3.4%
6	Singapore	28	3.2%
7	India	28	3.2%
8	Korea, Republic of	26	3%
9	Japan	25	2.8%
10	France	25	2.8%
11	Italy	17	1.9%
12	Ireland	12	1.4%
13	Sweden	12	1.4%
14	Canada	12	1.4%
15	Mexico	10	1.1%
16	Czech Republic	9	1%
17	Russia	7	0.8%
18	Cyprus	6	0.7%
19	Taiwan	6	0.7%
20	Turkey	6	0.7%
21	Poland	5	0.6%
22	Spain	5	0.6%
23	Switzerland	3	0.3%
24	Pakistan	3	0.3%
25	Peru	3	0.3%
26	Ecuador	3	0.3%
27	Iran, Islamic Republic of	3	0.3%
28	Greece	3	0.3%
29	Australia	3	0.3%
30	Argentina	2	0.2%
31	Denmark	2	0.2%
32	Latvia	2	0.2%
33	United Kingdom	2	0.2%
34	Tanzania, United Republic of	2	0.2%
35	Viet Nam	2	0.2%
36	Zambia	1	0.1%
37	Malaysia	1	0.1%
38	Jamaica	1	0.1%
39	Colombia	1	0.1%
40	Croatia	1	0.1%
41	Brazil	1	0.1%
42	Bulgaria	1	0.1%
43	Hong Kong	1	0.1%
44	El Salvador	1	0.1%