Rank	Countries/Territories	Count	Percent
1	United States	236	28.2%
2	China	182	21.7%
3	Germany	71	8.5%
4	Ireland	45	5.4%
5	Korea, Republic of	35	4.2%
6	Egypt	31	3.7%
7	Netherlands	29	3.5%
8	India	28	3.3%
9	United Kingdom	21	2.5%
10	Croatia	13	1.6%
11	Japan	12	1.4%
12	Russia	9	1.1%
13	Bulgaria	8	1%
14	Hong Kong	8	1%
15	Sweden	8	1%
16	Viet Nam	8	1%
17	Turkey	7	0.8%
18	France	7	0.8%
19	Australia	6	0.7%
20	Greece	5	0.6%
21	Indonesia	5	0.6%
22	Iran, Islamic Republic of	5	0.6%
23	Singapore	5	0.6%
24	Canada	4	0.5%
25	Cyprus	4	0.5%
26	Pakistan	4	0.5%
27	Palestine, State of	3	0.4%
28	Mexico	3	0.4%
29	Myanmar	3	0.4%
30	United Arab Emirates	2	0.2%
31	Taiwan	2	0.2%
32	Mongolia	2	0.2%
33	Libya	2	0.2%
34	Lithuania	2	0.2%
35	Philippines	2	0.2%
36	Serbia	2	0.2%
37	Nicaragua	2	0.2%
38	Chile	2	0.2%
39	Belgium	2	0.2%
40	Brazil	1	0.1%
41	Austria	1	0.1%
42	Barbados	1	0.1%
43	Andorra	1	0.1%
44	Georgia	1	0.1%
45	Romania	1	0.1%
46	Malaysia	1	0.1%
47	Maldives	1	0.1%
48	Thailand	1	0.1%
49	South Africa	1	0.1%
50	Spain	1	0.1%
51	Zambia	1	0.1%