Rank	Countries/Territories	Count	Percent
1	United States	553	52%
2	China	144	13.5%
3	Germany	82	7.7%
4	Canada	50	4.7%
5	United Kingdom	47	4.4%
6	Netherlands	27	2.5%
7	France	26	2.4%
8	India	17	1.6%
9	Japan	16	1.5%
10	Ireland	11	1%
11	Romania	11	1%
12	Korea, Republic of	10	0.9%
13	Hong Kong	7	0.7%
14	Australia	7	0.7%
15	Cyprus	6	0.6%
16	Italy	6	0.6%
17	Sweden	5	0.5%
18	Taiwan	3	0.3%
19	Indonesia	3	0.3%
20	Hungary	2	0.2%
21	Austria	2	0.2%
22	Bulgaria	2	0.2%
23	Colombia	2	0.2%
24	Jordan	2	0.2%
25	Mexico	2	0.2%
26	Singapore	2	0.2%
27	Slovakia	2	0.2%
28	Philippines	2	0.2%
29	Poland	2	0.2%
30	South Africa	2	0.2%
31	Viet Nam	1	0.1%
32	New Zealand	1	0.1%
33	Slovenia	1	0.1%
34	Malaysia	1	0.1%
35	Croatia	1	0.1%
36	Brazil	1	0.1%
37	Algeria	1	0.1%
38	Antigua and Barbuda	1	0.1%
39	Czech Republic	1	0.1%
40	Dominican Republic	1	0.1%
41	Ghana	1	0.1%