Rank	Countries/Territories	Count	Percent
1	United States	251	28.9%
2	China	221	25.5%
3	Germany	66	7.6%
4	Ireland	36	4.1%
5	Canada	33	3.8%
6	India	27	3.1%
7	Japan	24	2.8%
8	Netherlands	23	2.6%
9	United Kingdom	18	2.1%
10	Pakistan	15	1.7%
11	Australia	13	1.5%
12	France	13	1.5%
13	Malaysia	8	0.9%
14	Iran, Islamic Republic of	8	0.9%
15	Jamaica	7	0.8%
16	Egypt	7	0.8%
17	Cyprus	7	0.8%
18	Hong Kong	7	0.8%
19	Italy	6	0.7%
20	Indonesia	5	0.6%
21	Kenya	5	0.6%
22	Nigeria	5	0.6%
23	United Arab Emirates	5	0.6%
24	Viet Nam	4	0.5%
25	Iraq	4	0.5%
26	Hungary	4	0.5%
27	Ghana	3	0.3%
28	Korea, Republic of	3	0.3%
29	Sudan	3	0.3%
30	Saudi Arabia	3	0.3%
31	Serbia	3	0.3%
32	Singapore	2	0.2%
33	Turkey	2	0.2%
34	Uganda	2	0.2%
35	Oman	2	0.2%
36	Mauritius	2	0.2%
37	Ecuador	2	0.2%
38	Brazil	2	0.2%
39	Cameroon	2	0.2%
40	Belize	1	0.1%
41	Armenia	1	0.1%
42	Croatia	1	0.1%
43	Mexico	1	0.1%
44	Moldova, Republic of	1	0.1%
45	Mongolia	1	0.1%
46	Nepal	1	0.1%
47	Lithuania	1	0.1%
48	Israel	1	0.1%
49	Venezuela, Bolivarian Republic of	1	0.1%
50	Ukraine	1	0.1%
51	Thailand	1	0.1%
52	Spain	1	0.1%
53	Norway	1	0.1%
54	Rwanda	1	0.1%