Rank	Countries/Territories	Count	Percent
1	United States	483	42.6%
2	China	262	23.1%
3	Germany	121	10.7%
4	Japan	43	3.8%
5	India	33	2.9%
6	Ireland	30	2.6%
7	France	23	2%
8	Netherlands	21	1.9%
9	Canada	19	1.7%
10	United Kingdom	11	1%
11	Australia	8	0.7%
12	Taiwan	7	0.6%
13	Philippines	6	0.5%
14	Pakistan	5	0.4%
15	Poland	4	0.4%
16	Colombia	4	0.4%
17	Cyprus	4	0.4%
18	Iran, Islamic Republic of	4	0.4%
19	Mongolia	3	0.3%
20	Hungary	3	0.3%
21	Tanzania, United Republic of	2	0.2%
22	Viet Nam	2	0.2%
23	Turkey	2	0.2%
24	United Arab Emirates	2	0.2%
25	New Zealand	2	0.2%
26	Korea, Republic of	2	0.2%
27	Mexico	2	0.2%
28	Romania	2	0.2%
29	Jamaica	2	0.2%
30	Hong Kong	2	0.2%
31	Ghana	2	0.2%
32	Egypt	2	0.2%
33	Bangladesh	2	0.2%
34	Argentina	1	0.1%
35	Greece	1	0.1%
36	Russia	1	0.1%
37	Serbia	1	0.1%
38	Singapore	1	0.1%
39	Slovakia	1	0.1%
40	Sweden	1	0.1%
41	Switzerland	1	0.1%
42	Moldova, Republic of	1	0.1%
43	Malaysia	1	0.1%
44	Norway	1	0.1%
45	Morocco	1	0.1%
46	Thailand	1	0.1%