Rank	Countries/Territories	Count	Percent
1	United States	404	35.3%
2	China	367	32.1%
3	Germany	47	4.1%
4	Netherlands	44	3.8%
5	Bulgaria	39	3.4%
6	Japan	28	2.4%
7	India	17	1.5%
8	Australia	13	1.1%
9	France	13	1.1%
10	Italy	12	1%
11	Iran, Islamic Republic of	11	1%
12	Turkey	10	0.9%
13	United Kingdom	10	0.9%
14	Kenya	9	0.8%
15	Canada	9	0.8%
16	Russia	8	0.7%
17	Cyprus	7	0.6%
18	Austria	6	0.5%
19	Ireland	6	0.5%
20	Singapore	5	0.4%
21	South Africa	5	0.4%
22	Pakistan	5	0.4%
23	Switzerland	4	0.3%
24	Romania	4	0.3%
25	Uganda	4	0.3%
26	Greece	4	0.3%
27	Hong Kong	4	0.3%
28	Argentina	4	0.3%
29	Egypt	4	0.3%
30	Denmark	3	0.3%
31	Spain	3	0.3%
32	New Zealand	3	0.3%
33	Israel	3	0.3%
34	Korea, Republic of	3	0.3%
35	Viet Nam	3	0.3%
36	Philippines	2	0.2%
37	Portugal	2	0.2%
38	Norway	2	0.2%
39	Bangladesh	2	0.2%
40	Belgium	2	0.2%
41	Brazil	1	0.1%
42	Brunei Darussalam	1	0.1%
43	Ghana	1	0.1%
44	Indonesia	1	0.1%
45	Jordan	1	0.1%
46	Sri Lanka	1	0.1%
47	Libya	1	0.1%
48	Lithuania	1	0.1%
49	Malaysia	1	0.1%
50	Nepal	1	0.1%
51	Taiwan	1	0.1%
52	Ukraine	1	0.1%