Rank	Countries/Territories	Count	Percent
1	United States	570	32.2%
2	China	422	23.8%
3	Germany	133	7.5%
4	Spain	75	4.2%
5	United Kingdom	69	3.9%
6	Egypt	56	3.2%
7	Japan	45	2.5%
8	India	27	1.5%
9	Australia	27	1.5%
10	Korea, Republic of	25	1.4%
11	France	24	1.4%
12	Russia	22	1.2%
13	Brazil	20	1.1%
14	Netherlands	20	1.1%
15	Iran, Islamic Republic of	17	1%
16	Canada	16	0.9%
17	Taiwan	16	0.9%
18	Ireland	13	0.7%
19	Greece	13	0.7%
20	Singapore	11	0.6%
21	Portugal	10	0.6%
22	Sweden	9	0.5%
23	Mexico	9	0.5%
24	Ukraine	8	0.5%
25	Norway	7	0.4%
26	Hong Kong	7	0.4%
27	Indonesia	7	0.4%
28	Argentina	7	0.4%
29	Belgium	7	0.4%
30	Denmark	7	0.4%
31	Cyprus	6	0.3%
32	Italy	6	0.3%
33	Pakistan	6	0.3%
34	Turkey	6	0.3%
35	Philippines	5	0.3%
36	Poland	3	0.2%
37	Sri Lanka	3	0.2%
38	Mongolia	3	0.2%
39	New Zealand	3	0.2%
40	Nigeria	3	0.2%
41	Malaysia	3	0.2%
42	Ecuador	3	0.2%
43	Finland	3	0.2%
44	Czech Republic	2	0.1%
45	Lithuania	2	0.1%
46	Morocco	2	0.1%
47	Iceland	2	0.1%
48	Thailand	2	0.1%
49	Romania	2	0.1%
50	Slovenia	2	0.1%
51	Kenya	1	0.1%
52	Latvia	1	0.1%
53	Bangladesh	1	0.1%
54	Georgia	1	0.1%
55	Ghana	1	0.1%