Rank	Countries/Territories	Count	Percent
1	United States	181	26.7%
2	China	163	24%
3	Germany	53	7.8%
4	Portugal	30	4.4%
5	Singapore	26	3.8%
6	India	24	3.5%
7	Japan	22	3.2%
8	Korea, Republic of	22	3.2%
9	France	22	3.2%
10	Netherlands	16	2.4%
11	Ireland	11	1.6%
12	Italy	11	1.6%
13	Sweden	10	1.5%
14	Czech Republic	9	1.3%
15	Canada	7	1%
16	Russia	7	1%
17	Taiwan	6	0.9%
18	Mexico	6	0.9%
19	Cyprus	6	0.9%
20	Spain	5	0.7%
21	Poland	5	0.7%
22	Switzerland	3	0.4%
23	Pakistan	3	0.4%
24	Peru	3	0.4%
25	Ecuador	3	0.4%
26	Greece	3	0.4%
27	Iran, Islamic Republic of	2	0.3%
28	Denmark	2	0.3%
29	Argentina	2	0.3%
30	Tanzania, United Republic of	2	0.3%
31	Turkey	2	0.3%
32	Viet Nam	2	0.3%
33	Zambia	1	0.1%
34	United Kingdom	1	0.1%
35	Jamaica	1	0.1%
36	Malaysia	1	0.1%
37	Australia	1	0.1%
38	Brazil	1	0.1%
39	Bulgaria	1	0.1%
40	Colombia	1	0.1%
41	Croatia	1	0.1%
42	El Salvador	1	0.1%