Rank	Countries/Territories	Count	Percent
1	United States	371	38.9%
2	China	192	20.1%
3	Germany	103	10.8%
4	France	40	4.2%
5	Ireland	33	3.5%
6	Japan	17	1.8%
7	Iran, Islamic Republic of	13	1.4%
8	Spain	13	1.4%
9	Korea, Republic of	11	1.2%
10	Netherlands	10	1%
11	Canada	10	1%
12	United Kingdom	10	1%
13	Turkey	9	0.9%
14	Taiwan	8	0.8%
15	Singapore	8	0.8%
16	Slovakia	7	0.7%
17	Indonesia	7	0.7%
18	Australia	6	0.6%
19	Russia	6	0.6%
20	Cyprus	5	0.5%
21	Italy	5	0.5%
22	Hong Kong	5	0.5%
23	New Zealand	5	0.5%
24	India	4	0.4%
25	Colombia	4	0.4%
26	Brazil	3	0.3%
27	Algeria	3	0.3%
28	Argentina	3	0.3%
29	Norway	3	0.3%
30	Mexico	3	0.3%
31	Saudi Arabia	3	0.3%
32	Portugal	3	0.3%
33	Romania	3	0.3%
34	South Africa	3	0.3%
35	Tunisia	3	0.3%
36	Morocco	2	0.2%
37	Nepal	2	0.2%
38	Austria	2	0.2%
39	Denmark	2	0.2%
40	Ecuador	2	0.2%
41	Egypt	2	0.2%
42	El Salvador	1	0.1%
43	Czech Republic	1	0.1%
44	Cameroon	1	0.1%
45	Malaysia	1	0.1%
46	Pakistan	1	0.1%
47	Greece	1	0.1%
48	Zambia	1	0.1%
49	Sweden	1	0.1%
50	Switzerland	1	0.1%