Rank	Countries/Territories	Count	Percent
1	China	646	38.5%
2	United States	646	38.5%
3	Germany	120	7.2%
4	Japan	62	3.7%
5	Switzerland	28	1.7%
6	France	27	1.6%
7	Taiwan	19	1.1%
8	Singapore	13	0.8%
9	Korea, Republic of	13	0.8%
10	Russia	10	0.6%
11	Ireland	9	0.5%
12	Netherlands	9	0.5%
13	Australia	9	0.5%
14	Canada	8	0.5%
15	Hong Kong	8	0.5%
16	Egypt	7	0.4%
17	Brazil	5	0.3%
18	Italy	5	0.3%
19	Thailand	5	0.3%
20	United Kingdom	5	0.3%
21	Bangladesh	3	0.2%
22	Cyprus	3	0.2%
23	India	3	0.2%
24	Iran, Islamic Republic of	3	0.2%
25	Latvia	3	0.2%
26	Malaysia	2	0.1%
27	Ukraine	1	0.1%
28	Lithuania	1	0.1%
29	Macao	1	0.1%
30	Hungary	1	0.1%
31	Denmark	1	0.1%