Rank	Countries/Territories	Count	Percent
1	United States	509	52.3%
2	China	84	8.6%
3	Germany	69	7.1%
4	United Kingdom	50	5.1%
5	Canada	36	3.7%
6	Australia	30	3.1%
7	Netherlands	21	2.2%
8	India	19	2%
9	France	18	1.8%
10	Ireland	15	1.5%
11	Japan	14	1.4%
12	Korea, Republic of	14	1.4%
13	Philippines	13	1.3%
14	Cyprus	8	0.8%
15	Hong Kong	7	0.7%
16	Singapore	7	0.7%
17	Ukraine	7	0.7%
18	Sweden	6	0.6%
19	Indonesia	6	0.6%
20	Hungary	5	0.5%
21	Barbados	3	0.3%
22	South Africa	3	0.3%
23	Spain	3	0.3%
24	Malaysia	3	0.3%
25	Nepal	2	0.2%
26	Saudi Arabia	2	0.2%
27	Denmark	2	0.2%
28	Kuwait	2	0.2%
29	Taiwan	2	0.2%
30	United Arab Emirates	1	0.1%
31	Czech Republic	1	0.1%
32	Bhutan	1	0.1%
33	Brazil	1	0.1%
34	Switzerland	1	0.1%
35	Syrian Arab Republic	1	0.1%
36	Puerto Rico	1	0.1%
37	Qatar	1	0.1%
38	Romania	1	0.1%
39	Russia	1	0.1%
40	New Zealand	1	0.1%
41	Nigeria	1	0.1%
42	Norway	1	0.1%
43	Pakistan	1	0.1%