Rank	Countries/Territories	Count	Percent
1	United States	306	40.5%
2	China	124	16.4%
3	Germany	73	9.7%
4	France	37	4.9%
5	Ireland	33	4.4%
6	Japan	13	1.7%
7	Spain	12	1.6%
8	United Kingdom	10	1.3%
9	Netherlands	10	1.3%
10	Iran, Islamic Republic of	10	1.3%
11	Turkey	9	1.2%
12	Indonesia	7	0.9%
13	Korea, Republic of	7	0.9%
14	Taiwan	6	0.8%
15	Singapore	6	0.8%
16	Slovakia	6	0.8%
17	Russia	6	0.8%
18	New Zealand	5	0.7%
19	Hong Kong	5	0.7%
20	Canada	5	0.7%
21	Colombia	4	0.5%
22	Australia	4	0.5%
23	India	4	0.5%
24	Norway	3	0.4%
25	Mexico	3	0.4%
26	Algeria	3	0.4%
27	Argentina	3	0.4%
28	Brazil	3	0.4%
29	Portugal	3	0.4%
30	Romania	3	0.4%
31	South Africa	3	0.4%
32	Tunisia	3	0.4%
33	Saudi Arabia	2	0.3%
34	Denmark	2	0.3%
35	Ecuador	2	0.3%
36	Egypt	2	0.3%
37	Austria	2	0.3%
38	Morocco	2	0.3%
39	Nepal	2	0.3%
40	Italy	2	0.3%
41	Greece	1	0.1%
42	Malaysia	1	0.1%
43	Pakistan	1	0.1%
44	Cyprus	1	0.1%
45	Czech Republic	1	0.1%
46	El Salvador	1	0.1%
47	Cameroon	1	0.1%
48	Sweden	1	0.1%
49	Switzerland	1	0.1%
50	Zambia	1	0.1%