Rank	Countries/Territories	Count	Percent
1	United States	421	45.6%
2	China	226	24.5%
3	Germany	44	4.8%
4	Ireland	37	4%
5	United Kingdom	34	3.7%
6	Japan	21	2.3%
7	France	15	1.6%
8	Canada	14	1.5%
9	Netherlands	14	1.5%
10	Denmark	12	1.3%
11	Australia	11	1.2%
12	Sweden	10	1.1%
13	Korea, Republic of	6	0.6%
14	Malaysia	5	0.5%
15	Indonesia	5	0.5%
16	Iran, Islamic Republic of	4	0.4%
17	Norway	4	0.4%
18	Romania	4	0.4%
19	Russia	4	0.4%
20	Singapore	4	0.4%
21	Turkey	3	0.3%
22	Philippines	3	0.3%
23	Poland	3	0.3%
24	Mexico	3	0.3%
25	Portugal	2	0.2%
26	Viet Nam	2	0.2%
27	Georgia	2	0.2%
28	India	2	0.2%
29	Ecuador	2	0.2%
30	Cyprus	2	0.2%
31	Finland	1	0.1%
32	Albania	1	0.1%
33	Argentina	1	0.1%
34	Italy	1	0.1%
35	Switzerland	1	0.1%