Rank	Countries/Territories	Count	Percent
1	United States	441	37.6%
2	China	309	26.3%
3	Germany	111	9.5%
4	Ireland	73	6.2%
5	United Kingdom	41	3.5%
6	Canada	24	2%
7	India	21	1.8%
8	Singapore	16	1.4%
9	France	15	1.3%
10	Netherlands	13	1.1%
11	Australia	12	1%
12	Japan	12	1%
13	Viet Nam	9	0.8%
14	Cyprus	9	0.8%
15	Norway	8	0.7%
16	Spain	8	0.7%
17	Korea, Republic of	8	0.7%
18	Turkey	6	0.5%
19	Russia	5	0.4%
20	Czech Republic	5	0.4%
21	Hong Kong	4	0.3%
22	Iran, Islamic Republic of	3	0.3%
23	Mexico	3	0.3%
24	Romania	3	0.3%
25	Ukraine	3	0.3%
26	Malaysia	2	0.2%
27	Saudi Arabia	2	0.2%
28	Pakistan	2	0.2%
29	Argentina	2	0.2%
30	Poland	1	0.1%
31	Italy	1	0.1%
32	South Africa	1	0.1%
33	United Arab Emirates	1	0.1%