Rank	Countries/Territories	Count	Percent
1	United States	317	38.9%
2	China	219	26.9%
3	Germany	123	15.1%
4	Netherlands	19	2.3%
5	Canada	17	2.1%
6	France	13	1.6%
7	Japan	13	1.6%
8	Australia	11	1.4%
9	United Kingdom	11	1.4%
10	Switzerland	7	0.9%
11	Singapore	6	0.7%
12	India	6	0.7%
13	Poland	6	0.7%
14	Cyprus	6	0.7%
15	Brazil	4	0.5%
16	Russia	4	0.5%
17	Indonesia	4	0.5%
18	Thailand	4	0.5%
19	Turkey	2	0.2%
20	Philippines	2	0.2%
21	Romania	2	0.2%
22	Bulgaria	2	0.2%
23	Macao	2	0.2%
24	Malaysia	1	0.1%
25	Mongolia	1	0.1%
26	Argentina	1	0.1%
27	Hong Kong	1	0.1%
28	Cameroon	1	0.1%
29	Azerbaijan	1	0.1%
30	Belgium	1	0.1%
31	Czech Republic	1	0.1%
32	Chile	1	0.1%
33	Norway	1	0.1%
34	Ukraine	1	0.1%
35	Tunisia	1	0.1%
36	Spain	1	0.1%
37	Taiwan	1	0.1%