Rank	Countries/Territories	Count	Percent
1	United States	335	54.4%
2	China	118	19.2%
3	Netherlands	23	3.7%
4		20	3.2%
5	Germany	19	3.1%
6	Japan	14	2.3%
7	Canada	10	1.6%
8	United Kingdom	10	1.6%
9	Switzerland	6	1%
10	Philippines	6	1%
11	India	6	1%
12	Iran, Islamic Republic of	6	1%
13	Ireland	4	0.6%
14	Korea, Republic of	4	0.6%
15	Australia	4	0.6%
16	New Zealand	4	0.6%
17	Singapore	4	0.6%
18	Spain	2	0.3%
19	Sri Lanka	2	0.3%
20	Saudi Arabia	2	0.3%
21	France	2	0.3%
22	Hong Kong	2	0.3%
23	Jordan	2	0.3%
24	Israel	2	0.3%
25	Italy	1	0.2%
26	Mauritius	1	0.2%
27	Namibia	1	0.2%
28	Austria	1	0.2%
29	Egypt	1	0.2%
30	Sweden	1	0.2%
31	South Africa	1	0.2%
32	Pakistan	1	0.2%
33	Romania	1	0.2%