Rank	Countries/Territories	Count	Percent
1	United States	436	43.3%
2	China	243	24.2%
3	Germany	92	9.1%
4	Netherlands	32	3.2%
5	Australia	28	2.8%
6	France	27	2.7%
7	Canada	14	1.4%
8	Taiwan	14	1.4%
9	Japan	12	1.2%
10	Russia	12	1.2%
11	United Kingdom	11	1.1%
12	Ireland	7	0.7%
13	Sri Lanka	6	0.6%
14	Argentina	6	0.6%
15	Bulgaria	6	0.6%
16	Bangladesh	5	0.5%
17	Cyprus	5	0.5%
18	Spain	5	0.5%
19	Singapore	5	0.5%
20	Romania	4	0.4%
21	Oman	3	0.3%
22	Italy	3	0.3%
23	Czech Republic	3	0.3%
24	India	3	0.3%
25	Iran, Islamic Republic of	2	0.2%
26	Hong Kong	2	0.2%
27	Colombia	2	0.2%
28	Mauritius	2	0.2%
29	Philippines	2	0.2%
30	Sweden	2	0.2%
31	Viet Nam	2	0.2%
32	Uganda	1	0.1%
33	Ukraine	1	0.1%
34	Switzerland	1	0.1%
35	Portugal	1	0.1%
36	South Africa	1	0.1%
37	Mongolia	1	0.1%
38	New Zealand	1	0.1%
39	Latvia	1	0.1%
40	Belgium	1	0.1%
41	Brazil	1	0.1%