Rank	Countries/Territories	Count	Percent
1	United States	454	43.1%
2	China	201	19.1%
3	Germany	162	15.4%
4	Japan	77	7.3%
5	France	21	2%
6	Belgium	18	1.7%
7	Singapore	18	1.7%
8	Australia	15	1.4%
9	Cyprus	10	0.9%
10	New Zealand	8	0.8%
11	United Kingdom	8	0.8%
12	Spain	7	0.7%
13	Ireland	7	0.7%
14	Canada	7	0.7%
15	India	6	0.6%
16	Korea, Republic of	6	0.6%
17	Netherlands	5	0.5%
18	Thailand	3	0.3%
19	Trinidad and Tobago	3	0.3%
20	Israel	3	0.3%
21	Mongolia	2	0.2%
22	Romania	2	0.2%
23	Iran, Islamic Republic of	2	0.2%
24	Turkey	2	0.2%
25	Ukraine	1	0.1%
26	Switzerland	1	0.1%
27	Slovakia	1	0.1%
28	South Africa	1	0.1%
29	Vanuatu	1	0.1%
30	Russia	1	0.1%
31	Poland	1	0.1%