Rank	Countries/Territories	Count	Percent
1	United States	425	35.1%
2	China	405	33.5%
3	Germany	82	6.8%
4	Netherlands	35	2.9%
5	Nepal	34	2.8%
6	Taiwan	30	2.5%
7	Japan	29	2.4%
8	France	27	2.2%
9	Iran, Islamic Republic of	15	1.2%
10	Hong Kong	12	1%
11	Malaysia	10	0.8%
12	Australia	10	0.8%
13	Canada	8	0.7%
14	Cyprus	8	0.7%
15	Norway	8	0.7%
16	Pakistan	7	0.6%
17	Nigeria	6	0.5%
18		6	0.5%
19	Korea, Republic of	6	0.5%
20	India	6	0.5%
21	Egypt	5	0.4%
22	Mexico	4	0.3%
23	United Kingdom	4	0.3%
24	Ireland	3	0.2%
25	Argentina	3	0.2%
26	Philippines	3	0.2%
27	Singapore	3	0.2%
28	Spain	3	0.2%
29	Turkey	2	0.2%
30	Russia	2	0.2%
31	Peru	2	0.2%
32	Saudi Arabia	1	0.1%
33	Senegal	1	0.1%
34	Tanzania, United Republic of	1	0.1%
35	Sweden	1	0.1%
36	Switzerland	1	0.1%
37	Bangladesh	1	0.1%
38	Liechtenstein	1	0.1%