Rank	Countries/Territories	Count	Percent
1	China	319	38.4%
2	United States	294	35.4%
3	Germany	112	13.5%
4	France	15	1.8%
5	Serbia	13	1.6%
6	Japan	9	1.1%
7	Switzerland	9	1.1%
8	Singapore	8	1%
9	Netherlands	8	1%
10	Canada	7	0.8%
11	Korea, Republic of	5	0.6%
12	Ireland	4	0.5%
13	Hong Kong	3	0.4%
14	India	3	0.4%
15	Italy	3	0.4%
16	South Africa	3	0.4%
17	Thailand	3	0.4%
18	United Kingdom	2	0.2%
19	Peru	2	0.2%
20	Poland	2	0.2%
21	Israel	2	0.2%
22	Australia	2	0.2%
23	Cyprus	1	0.1%
24	Denmark	1	0.1%
25	Ukraine	1	0.1%