Rank	Countries/Territories	Count	Percent
1	United States	459	40.4%
2	China	359	31.6%
3	Germany	70	6.2%
4	Canada	33	2.9%
5	Netherlands	24	2.1%
6	India	19	1.7%
7	Russia	18	1.6%
8	France	12	1.1%
9	Indonesia	12	1.1%
10	Iran, Islamic Republic of	9	0.8%
11	Japan	8	0.7%
12	Australia	8	0.7%
13	Singapore	8	0.7%
14	Philippines	8	0.7%
15	United Kingdom	8	0.7%
16	Norway	6	0.5%
17	Bangladesh	6	0.5%
18	Hungary	6	0.5%
19	Morocco	5	0.4%
20	Peru	5	0.4%
21	Nicaragua	4	0.4%
22	Mexico	4	0.4%
23	Colombia	4	0.4%
24	Cyprus	4	0.4%
25	Ireland	3	0.3%
26	Syrian Arab Republic	3	0.3%
27	Tanzania, United Republic of	3	0.3%
28	Thailand	2	0.2%
29	Ukraine	2	0.2%
30	United Arab Emirates	2	0.2%
31	Viet Nam	2	0.2%
32	South Africa	2	0.2%
33	Sweden	2	0.2%
34	Romania	2	0.2%
35	Pakistan	2	0.2%
36	Korea, Republic of	2	0.2%
37	Brazil	2	0.2%
38	Ethiopia	2	0.2%
39	Denmark	1	0.1%
40	Malaysia	1	0.1%
41	New Zealand	1	0.1%
42	Slovakia	1	0.1%
43	Taiwan	1	0.1%