Rank	Countries/Territories	Count	Percent
1	United States	224	28.7%
2	China	173	22.2%
3	Germany	71	9.1%
4	Ireland	45	5.8%
5	Korea, Republic of	34	4.4%
6	Netherlands	29	3.7%
7	India	28	3.6%
8	United Kingdom	21	2.7%
9	Croatia	13	1.7%
10	Japan	12	1.5%
11	Russia	9	1.2%
12	Sweden	8	1%
13	Viet Nam	8	1%
14	Bulgaria	8	1%
15	France	7	0.9%
16	Turkey	7	0.9%
17	Singapore	5	0.6%
18	Indonesia	5	0.6%
19	Iran, Islamic Republic of	5	0.6%
20	Greece	5	0.6%
21	Hong Kong	5	0.6%
22	Australia	5	0.6%
23	Cyprus	4	0.5%
24	Canada	4	0.5%
25	Pakistan	4	0.5%
26	Palestine, State of	3	0.4%
27	Myanmar	3	0.4%
28	Mexico	3	0.4%
29	Mongolia	2	0.3%
30	Libya	2	0.3%
31	Lithuania	2	0.3%
32	Nicaragua	2	0.3%
33	Philippines	2	0.3%
34	Chile	2	0.3%
35	Belgium	2	0.3%
36	Serbia	2	0.3%
37	United Arab Emirates	2	0.3%
38	Taiwan	2	0.3%
39	Thailand	1	0.1%
40	South Africa	1	0.1%
41	Spain	1	0.1%
42	Zambia	1	0.1%
43	Brazil	1	0.1%
44	Austria	1	0.1%
45	Barbados	1	0.1%
46	Egypt	1	0.1%
47	Georgia	1	0.1%
48	Romania	1	0.1%
49	Andorra	1	0.1%
50	Malaysia	1	0.1%
51	Maldives	1	0.1%