Rank	Countries/Territories	Count	Percent
1	China	420	44.5%
2	United States	280	29.7%
3	Germany	77	8.2%
4	Japan	33	3.5%
5	France	27	2.9%
6	Korea, Republic of	17	1.8%
7	Ireland	12	1.3%
8	India	10	1.1%
9	Singapore	7	0.7%
10	Spain	7	0.7%
11	Russia	6	0.6%
12	Hong Kong	6	0.6%
13	Australia	6	0.6%
14	Ethiopia	5	0.5%
15	Canada	4	0.4%
16	Cyprus	3	0.3%
17	Bangladesh	2	0.2%
18	Brazil	2	0.2%
19	Viet Nam	2	0.2%
20	Taiwan	2	0.2%
21	Ukraine	2	0.2%
22	United Kingdom	2	0.2%
23	Norway	2	0.2%
24	Romania	2	0.2%
25	South Africa	1	0.1%
26	Turkey	1	0.1%
27	Czech Republic	1	0.1%
28	Iran, Islamic Republic of	1	0.1%
29	Lithuania	1	0.1%
30	Mexico	1	0.1%
31	Netherlands	1	0.1%