Rank	Countries/Territories	Count	Percent
1	United States	473	32.9%
2	China	380	26.5%
3	Germany	160	11.1%
4	Netherlands	50	3.5%
5	India	42	2.9%
6	Korea, Republic of	28	1.9%
7	Ukraine	27	1.9%
8	Romania	27	1.9%
9	Russia	27	1.9%
10		24	1.7%
11	Japan	23	1.6%
12	Canada	18	1.3%
13	Austria	12	0.8%
14	Cyprus	11	0.8%
15	Thailand	11	0.8%
16	Ireland	10	0.7%
17	Argentina	7	0.5%
18	Australia	7	0.5%
19	France	6	0.4%
20	United Kingdom	6	0.4%
21	Senegal	6	0.4%
22	Portugal	5	0.3%
23	Bangladesh	5	0.3%
24	Belgium	5	0.3%
25	Italy	5	0.3%
26	Brazil	4	0.3%
27	Indonesia	4	0.3%
28	Iran, Islamic Republic of	4	0.3%
29	Colombia	3	0.2%
30	Hungary	3	0.2%
31	Maldives	3	0.2%
32	Mexico	3	0.2%
33	Singapore	3	0.2%
34	Taiwan	2	0.1%
35	Saudi Arabia	2	0.1%
36	United Arab Emirates	2	0.1%
37	Mongolia	2	0.1%
38	Montenegro	2	0.1%
39	New Zealand	2	0.1%
40	Israel	2	0.1%
41	Latvia	2	0.1%
42	Cameroon	2	0.1%
43	Greece	2	0.1%
44	Hong Kong	2	0.1%
45	Ecuador	1	0.1%
46	Malaysia	1	0.1%
47	Kenya	1	0.1%
48	Pakistan	1	0.1%
49	Paraguay	1	0.1%
50	Philippines	1	0.1%
51	Nepal	1	0.1%
52	Turkey	1	0.1%
53	Uganda	1	0.1%
54	South Africa	1	0.1%
55	Sweden	1	0.1%
56	Syrian Arab Republic	1	0.1%