Rank	Countries/Territories	Count	Percent
1	United States	336	35.9%
2	China	314	33.6%
3	Germany	60	6.4%
4	Ireland	29	3.1%
5	Netherlands	29	3.1%
6	Australia	19	2%
7	Canada	16	1.7%
8	Japan	15	1.6%
9	India	13	1.4%
10	United Kingdom	12	1.3%
11	Indonesia	8	0.9%
12	France	8	0.9%
13	Norway	7	0.7%
14	Taiwan	7	0.7%
15	New Zealand	6	0.6%
16	Singapore	5	0.5%
17	Egypt	5	0.5%
18	Belgium	5	0.5%
19	Cyprus	4	0.4%
20	Sweden	4	0.4%
21	Russia	4	0.4%
22	Italy	3	0.3%
23	Korea, Republic of	3	0.3%
24	Mexico	3	0.3%
25	Iran, Islamic Republic of	2	0.2%
26	Turkey	2	0.2%
27	Israel	2	0.2%
28	Pakistan	2	0.2%
29	Philippines	2	0.2%
30	Viet Nam	2	0.2%
31	Portugal	1	0.1%
32	Romania	1	0.1%
33	Ukraine	1	0.1%
34	Togo	1	0.1%
35	Switzerland	1	0.1%
36	Mongolia	1	0.1%
37	Brazil	1	0.1%
38	Argentina	1	0.1%