Rank	Countries/Territories	Count	Percent
1	United States	527	39.1%
2	China	475	35.2%
3	Germany	85	6.3%
4	Netherlands	27	2%
5	Canada	26	1.9%
6	Russia	25	1.9%
7	France	19	1.4%
8	Korea, Republic of	18	1.3%
9	Mexico	17	1.3%
10	Singapore	13	1%
11	Pakistan	11	0.8%
12	Iran, Islamic Republic of	9	0.7%
13	Ireland	9	0.7%
14	Greece	8	0.6%
15	Cyprus	6	0.4%
16	India	6	0.4%
17	Taiwan	6	0.4%
18	Romania	5	0.4%
19	Australia	5	0.4%
20	Japan	5	0.4%
21	Malaysia	4	0.3%
22	South Africa	4	0.3%
23	Spain	4	0.3%
24	Poland	3	0.2%
25	Indonesia	3	0.2%
26	Brazil	3	0.2%
27	United Kingdom	3	0.2%
28	Turkey	3	0.2%
29	Serbia	2	0.1%
30	Belgium	2	0.1%
31	Egypt	2	0.1%
32	Kazakhstan	2	0.1%
33	Guatemala	2	0.1%
34	Norway	2	0.1%
35	Switzerland	1	0.1%
36	Mongolia	1	0.1%
37	New Zealand	1	0.1%
38	Hong Kong	1	0.1%
39	Colombia	1	0.1%
40	Ukraine	1	0.1%
41	Viet Nam	1	0.1%