Rank	Countries/Territories	Count	Percent
1	United States	452	25.6%
2	China	348	19.7%
3	Australia	168	9.5%
4	Germany	114	6.5%
5	United Kingdom	78	4.4%
6	Japan	74	4.2%
7	Pakistan	62	3.5%
8	Italy	51	2.9%
9	Korea, Republic of	50	2.8%
10	France	28	1.6%
11	Hong Kong	28	1.6%
12	Czech Republic	24	1.4%
13	Netherlands	24	1.4%
14	Egypt	23	1.3%
15	Singapore	20	1.1%
16	Canada	19	1.1%
17	India	13	0.7%
18	Iran, Islamic Republic of	13	0.7%
19	Malaysia	11	0.6%
20	New Zealand	11	0.6%
21	Slovenia	10	0.6%
22	Cyprus	10	0.6%
23	Argentina	9	0.5%
24	Belgium	9	0.5%
25	Viet Nam	9	0.5%
26	Poland	8	0.5%
27	Switzerland	7	0.4%
28	Taiwan	7	0.4%
29	Turkey	7	0.4%
30	Indonesia	6	0.3%
31	Ireland	5	0.3%
32	Azerbaijan	5	0.3%
33	Russia	5	0.3%
34	Saudi Arabia	5	0.3%
35	Norway	4	0.2%
36	South Africa	4	0.2%
37	Brazil	4	0.2%
38	Botswana	3	0.2%
39	Austria	3	0.2%
40	Mexico	3	0.2%
41	Hungary	3	0.2%
42	Spain	3	0.2%
43	Portugal	3	0.2%
44	Philippines	3	0.2%
45	Ukraine	2	0.1%
46	Finland	2	0.1%
47	Ecuador	2	0.1%
48	Chile	2	0.1%
49	Colombia	2	0.1%
50	Bangladesh	1	0.1%
51	Bulgaria	1	0.1%
52	Greece	1	0.1%
53	Iceland	1	0.1%
54	Nepal	1	0.1%
55	Kuwait	1	0.1%
56	Serbia	1	0.1%
57	Palestine, State of	1	0.1%