Rank	Countries/Territories	Count	Percent
1	United States	521	41.6%
2	China	359	28.7%
3	Germany	87	6.9%
4	France	47	3.8%
5	Australia	27	2.2%
6	Japan	21	1.7%
7	Netherlands	17	1.4%
8	United Kingdom	17	1.4%
9	Norway	15	1.2%
10	Argentina	14	1.1%
11	India	11	0.9%
12	Korea, Republic of	11	0.9%
13	Pakistan	10	0.8%
14	Singapore	9	0.7%
15	Cyprus	9	0.7%
16	Russia	8	0.6%
17	Canada	7	0.6%
18	Brazil	6	0.5%
19	South Africa	6	0.5%
20	Switzerland	6	0.5%
21	Malaysia	5	0.4%
22	Palestine, State of	5	0.4%
23	Ukraine	4	0.3%
24	Bangladesh	4	0.3%
25	Hong Kong	4	0.3%
26	Iceland	3	0.2%
27	Romania	3	0.2%
28	Spain	2	0.2%
29	Sweden	2	0.2%
30	Greece	2	0.2%
31	Colombia	2	0.2%
32	Croatia	2	0.2%
33	Austria	1	0.1%
34	Iraq	1	0.1%
35	Ireland	1	0.1%
36	United Arab Emirates	1	0.1%
37	Taiwan	1	0.1%
38	Macao	1	0.1%
39	Uzbekistan	1	0.1%