Rank	Countries/Territories	Count	Percent
1	China	446	52%
2	United States	227	26.5%
3	Germany	44	5.1%
4	Japan	43	5%
5	Belgium	12	1.4%
6	Canada	11	1.3%
7	India	11	1.3%
8	Singapore	10	1.2%
9	Korea, Republic of	8	0.9%
10	Netherlands	8	0.9%
11	Cyprus	5	0.6%
12	France	5	0.6%
13	Australia	3	0.4%
14	Switzerland	3	0.4%
15	Taiwan	3	0.4%
16	Serbia	2	0.2%
17	Malaysia	2	0.2%
18	Brazil	2	0.2%
19	Hong Kong	2	0.2%
20	Iran, Islamic Republic of	2	0.2%
21	Lithuania	1	0.1%
22	Norway	1	0.1%
23	Russia	1	0.1%
24	Saudi Arabia	1	0.1%
25	Mongolia	1	0.1%
26	Thailand	1	0.1%
27	Ukraine	1	0.1%
28	United Kingdom	1	0.1%