Rank	Countries/Territories	Count	Percent
1	United States	486	40.9%
2	China	323	27.2%
3	Germany	139	11.7%
4	France	43	3.6%
5	Netherlands	18	1.5%
6	Canada	15	1.3%
7	Singapore	14	1.2%
8	Japan	12	1%
9	Indonesia	11	0.9%
10	Israel	11	0.9%
11	Cyprus	9	0.8%
12	Switzerland	9	0.8%
13	United Kingdom	9	0.8%
14	Mexico	8	0.7%
15	Norway	8	0.7%
16	Iran, Islamic Republic of	8	0.7%
17	Ukraine	7	0.6%
18	India	6	0.5%
19	Ireland	6	0.5%
20	Croatia	4	0.3%
21	Australia	4	0.3%
22	Romania	4	0.3%
23	Pakistan	4	0.3%
24	Korea, Republic of	3	0.3%
25	Bangladesh	3	0.3%
26	Italy	3	0.3%
27	Viet Nam	3	0.3%
28	Hong Kong	2	0.2%
29	Ecuador	2	0.2%
30	Finland	2	0.2%
31	Jordan	2	0.2%
32	Poland	2	0.2%
33	Syrian Arab Republic	2	0.2%
34	South Africa	2	0.2%
35	Sri Lanka	1	0.1%
36	Malaysia	1	0.1%
37	Argentina	1	0.1%
38	Georgia	1	0.1%