Rank	Countries/Territories	Count	Percent
1	United States	325	35.7%
2	China	229	25.1%
3	Germany	64	7%
4	Japan	50	5.5%
5	France	34	3.7%
6	United Kingdom	25	2.7%
7	New Zealand	22	2.4%
8	Singapore	19	2.1%
9	India	19	2.1%
10	Netherlands	18	2%
11	Switzerland	15	1.6%
12	Canada	8	0.9%
13	Cyprus	8	0.9%
14	Indonesia	7	0.8%
15	Russia	7	0.8%
16	Ukraine	6	0.7%
17	Korea, Republic of	6	0.7%
18	Nigeria	5	0.5%
19	Iran, Islamic Republic of	4	0.4%
20	Australia	4	0.4%
21	Cambodia	4	0.4%
22	Ireland	3	0.3%
23	Malaysia	3	0.3%
24	Tanzania, United Republic of	3	0.3%
25	Poland	2	0.2%
26	Italy	2	0.2%
27	Malawi	2	0.2%
28	Hong Kong	2	0.2%
29	Argentina	2	0.2%
30	Benin	2	0.2%
31	Bulgaria	2	0.2%
32	Viet Nam	2	0.2%
33	Ethiopia	1	0.1%
34	Namibia	1	0.1%
35	Pakistan	1	0.1%
36	Philippines	1	0.1%
37	Rwanda	1	0.1%
38	Sierra Leone	1	0.1%
39	Spain	1	0.1%