Rank	Countries/Territories	Count	Percent
1	United States	571	35.9%
2	China	541	34%
3	Germany	97	6.1%
4	Iran, Islamic Republic of	59	3.7%
5	India	47	3%
6	United Kingdom	23	1.4%
7	Portugal	21	1.3%
8	France	18	1.1%
9	Netherlands	17	1.1%
10	Cyprus	15	0.9%
11	Russia	13	0.8%
12	Japan	12	0.8%
13	Korea, Republic of	11	0.7%
14	Egypt	10	0.6%
15	Spain	10	0.6%
16	Turkey	10	0.6%
17	Ukraine	8	0.5%
18	Thailand	8	0.5%
19	Indonesia	8	0.5%
20	Canada	7	0.4%
21	Switzerland	6	0.4%
22	Singapore	5	0.3%
23	Norway	5	0.3%
24	Romania	5	0.3%
25	Malaysia	4	0.3%
26	Ireland	4	0.3%
27	Ecuador	4	0.3%
28	Hungary	4	0.3%
29	Slovakia	4	0.3%
30	South Africa	4	0.3%
31	Viet Nam	3	0.2%
32	Argentina	3	0.2%
33	Iraq	3	0.2%
34	Macao	3	0.2%
35	Mexico	3	0.2%
36	Mauritius	2	0.1%
37	Hong Kong	2	0.1%
38	Lithuania	2	0.1%
39	Israel	2	0.1%
40	Iceland	2	0.1%
41	Mongolia	2	0.1%
42	Taiwan	2	0.1%
43	Syrian Arab Republic	1	0.1%
44	Zimbabwe	1	0.1%
45	Georgia	1	0.1%
46	Greece	1	0.1%
47	Armenia	1	0.1%
48	Australia	1	0.1%
49	Bangladesh	1	0.1%
50	Belgium	1	0.1%
51	Italy	1	0.1%
52	Moldova, Republic of	1	0.1%
53	Pakistan	1	0.1%