Rank	Countries/Territories	Count	Percent
1	United States	517	39%
2	China	469	35.4%
3	Germany	85	6.4%
4	Netherlands	27	2%
5	Canada	25	1.9%
6	Russia	22	1.7%
7	France	19	1.4%
8	Korea, Republic of	18	1.4%
9	Mexico	16	1.2%
10	Singapore	12	0.9%
11	Pakistan	11	0.8%
12	Iran, Islamic Republic of	9	0.7%
13	Ireland	8	0.6%
14	Greece	8	0.6%
15	Cyprus	6	0.5%
16	India	6	0.5%
17	Taiwan	6	0.5%
18	Romania	5	0.4%
19	Australia	5	0.4%
20	Japan	5	0.4%
21	Malaysia	4	0.3%
22	Spain	4	0.3%
23	Turkey	3	0.2%
24	United Kingdom	3	0.2%
25	Indonesia	3	0.2%
26	Poland	3	0.2%
27	South Africa	3	0.2%
28	Brazil	3	0.2%
29	Belgium	2	0.2%
30	Egypt	2	0.2%
31	Kazakhstan	2	0.2%
32	Guatemala	2	0.2%
33	Serbia	2	0.2%
34	Norway	2	0.2%
35	Mongolia	1	0.1%
36	New Zealand	1	0.1%
37	Hong Kong	1	0.1%
38	Colombia	1	0.1%
39	Viet Nam	1	0.1%
40	Ukraine	1	0.1%
41	Switzerland	1	0.1%