Rank	Countries/Territories	Count	Percent
1	United States	575	31.5%
2	China	533	29.2%
3	Germany	134	7.3%
4	France	70	3.8%
5	Romania	55	3%
6	Japan	54	3%
7	Australia	53	2.9%
8	Canada	38	2.1%
9	India	35	1.9%
10	Iran, Islamic Republic of	35	1.9%
11	United Kingdom	29	1.6%
12	South Africa	24	1.3%
13	Cyprus	18	1%
14	Netherlands	17	0.9%
15	Korea, Republic of	14	0.8%
16	Singapore	13	0.7%
17	Hong Kong	13	0.7%
18	Brazil	11	0.6%
19	Russia	9	0.5%
20	Ireland	8	0.4%
21	Taiwan	8	0.4%
22	Ukraine	8	0.4%
23	Spain	7	0.4%
24	Senegal	6	0.3%
25	Morocco	5	0.3%
26	Israel	5	0.3%
27	Croatia	5	0.3%
28	Egypt	5	0.3%
29	Turkey	5	0.3%
30	Thailand	4	0.2%
31	Peru	4	0.2%
32	Italy	3	0.2%
33	Sweden	3	0.2%
34	Uzbekistan	2	0.1%
35	Macao	2	0.1%
36	Lithuania	2	0.1%
37	Finland	2	0.1%
38	Iraq	2	0.1%
39	Colombia	2	0.1%
40	Chile	2	0.1%
41	Belgium	2	0.1%
42	Indonesia	1	0.1%
43	Hungary	1	0.1%
44	Luxembourg	1	0.1%
45	Malaysia	1	0.1%
46	Palestine, State of	1	0.1%
47	United Arab Emirates	1	0.1%