Rank	Countries/Territories	Count	Percent
1	United States	447	34.9%
2	China	297	23.2%
3	India	105	8.2%
4	Germany	70	5.5%
5	Greece	39	3%
6	Singapore	27	2.1%
7	Russia	25	2%
8	Latvia	23	1.8%
9	Netherlands	21	1.6%
10	Australia	21	1.6%
11	Canada	18	1.4%
12	France	18	1.4%
13	Korea, Republic of	18	1.4%
14	Japan	12	0.9%
15	New Zealand	9	0.7%
16	Malaysia	8	0.6%
17	Israel	8	0.6%
18	Italy	6	0.5%
19	Iran, Islamic Republic of	6	0.5%
20	Spain	6	0.5%
21	Taiwan	6	0.5%
22	Turkey	5	0.4%
23	Sweden	5	0.4%
24	Ireland	5	0.4%
25	Hong Kong	5	0.4%
26	Egypt	5	0.4%
27	Argentina	5	0.4%
28	Czech Republic	4	0.3%
29	Indonesia	4	0.3%
30	Mexico	4	0.3%
31	Saudi Arabia	4	0.3%
32	Portugal	3	0.2%
33	Romania	3	0.2%
34	United Kingdom	3	0.2%
35	Cyprus	3	0.2%
36	Brazil	3	0.2%
37	Colombia	2	0.2%
38	Bangladesh	2	0.2%
39	Finland	2	0.2%
40	Georgia	2	0.2%
41	Ghana	2	0.2%
42	Norway	2	0.2%
43	Oman	2	0.2%
44	Pakistan	2	0.2%
45	Hungary	2	0.2%
46	Slovakia	2	0.2%
47	Sri Lanka	2	0.2%
48	Switzerland	1	0.1%
49	Ukraine	1	0.1%
50	United Arab Emirates	1	0.1%
51	South Africa	1	0.1%
52	Palestine, State of	1	0.1%
53	Poland	1	0.1%
54	Mongolia	1	0.1%
55	Benin	1	0.1%
56	Albania	1	0.1%