Rank	Countries/Territories	Count	Percent
1	United States	409	37.8%
2	China	323	29.9%
3	Germany	105	9.7%
4	Japan	57	5.3%
5	France	36	3.3%
6	Ireland	28	2.6%
7	Russia	22	2%
8	Canada	21	1.9%
9	Cyprus	11	1%
10	Singapore	9	0.8%
11	Netherlands	8	0.7%
12	United Kingdom	6	0.6%
13	Korea, Republic of	6	0.6%
14	Algeria	5	0.5%
15	Iran, Islamic Republic of	4	0.4%
16	Spain	4	0.4%
17	Ukraine	3	0.3%
18	Australia	3	0.3%
19	Denmark	3	0.3%
20	Egypt	2	0.2%
21	Argentina	2	0.2%
22	Tunisia	2	0.2%
23	New Zealand	2	0.2%
24	Portugal	1	0.1%
25	Saudi Arabia	1	0.1%
26	Sweden	1	0.1%
27	Slovenia	1	0.1%
28	United Arab Emirates	1	0.1%
29	Bangladesh	1	0.1%
30	Brazil	1	0.1%
31	Czech Republic	1	0.1%
32	Morocco	1	0.1%
33	Italy	1	0.1%
34	Hong Kong	1	0.1%