Rank	Countries/Territories	Count	Percent
1	United States	545	35.4%
2	China	513	33.3%
3	Germany	87	5.6%
4	Australia	76	4.9%
5	Canada	39	2.5%
6	Netherlands	29	1.9%
7	Russia	24	1.6%
8	India	23	1.5%
9	Japan	20	1.3%
10	France	19	1.2%
11	Singapore	14	0.9%
12	United Kingdom	13	0.8%
13	Indonesia	12	0.8%
14	Iran, Islamic Republic of	12	0.8%
15	Mexico	10	0.6%
16	Philippines	8	0.5%
17	Hungary	7	0.5%
18	Bangladesh	7	0.5%
19	Cyprus	6	0.4%
20	Norway	6	0.4%
21	Peru	5	0.3%
22	Morocco	5	0.3%
23	Argentina	5	0.3%
24	Colombia	4	0.3%
25	Ireland	4	0.3%
26	Korea, Republic of	4	0.3%
27	Nicaragua	4	0.3%
28	Ethiopia	3	0.2%
29	Syrian Arab Republic	3	0.2%
30	Taiwan	3	0.2%
31	Tanzania, United Republic of	3	0.2%
32	South Africa	3	0.2%
33	Ukraine	3	0.2%
34	United Arab Emirates	2	0.1%
35	Sweden	2	0.1%
36	Thailand	2	0.1%
37	Viet Nam	2	0.1%
38	Israel	2	0.1%
39	Brazil	2	0.1%
40	Bulgaria	2	0.1%
41	Pakistan	2	0.1%
42	Romania	2	0.1%
43	Slovakia	1	0.1%
44	Malaysia	1	0.1%
45	New Zealand	1	0.1%
46	Denmark	1	0.1%