Rank	Countries/Territories	Count	Percent
1	United States	519	40.8%
2	China	347	27.3%
3	Germany	125	9.8%
4	Canada	38	3%
5	France	36	2.8%
6	India	26	2%
7	Egypt	26	2%
8	Netherlands	18	1.4%
9	Japan	16	1.3%
10	Ukraine	11	0.9%
11	Switzerland	11	0.9%
12	Cyprus	10	0.8%
13	Iran, Islamic Republic of	9	0.7%
14	Hong Kong	8	0.6%
15	Korea, Republic of	8	0.6%
16	Italy	6	0.5%
17	Singapore	6	0.5%
18	Spain	5	0.4%
19	Mongolia	5	0.4%
20	Malaysia	4	0.3%
21	United Kingdom	4	0.3%
22	Russia	4	0.3%
23	Czech Republic	3	0.2%
24	Argentina	3	0.2%
25	Australia	3	0.2%
26	Ecuador	2	0.2%
27	Lebanon	2	0.2%
28	Ireland	2	0.2%
29	Uzbekistan	2	0.2%
30	Taiwan	2	0.2%
31	Thailand	2	0.2%
32	Philippines	2	0.2%
33	Sweden	1	0.1%
34	Mexico	1	0.1%
35	Norway	1	0.1%
36	Peru	1	0.1%
37	Turkey	1	0.1%
38	Viet Nam	1	0.1%
39	Austria	1	0.1%