Rank	Countries/Territories	Count	Percent
1	United States	557	36.6%
2	China	386	25.4%
3	Germany	99	6.5%
4	Spain	55	3.6%
5	France	44	2.9%
6	Nigeria	38	2.5%
7	United Kingdom	33	2.2%
8	Singapore	24	1.6%
9	Netherlands	24	1.6%
10	Russia	23	1.5%
11	South Africa	23	1.5%
12	India	21	1.4%
13	Australia	20	1.3%
14	Taiwan	20	1.3%
15	Ireland	16	1.1%
16	Japan	15	1%
17	Canada	13	0.9%
18	Denmark	9	0.6%
19	Mexico	9	0.6%
20	Korea, Republic of	7	0.5%
21	Poland	7	0.5%
22	Brazil	6	0.4%
23	Israel	6	0.4%
24	Argentina	5	0.3%
25	Italy	4	0.3%
26	Greece	4	0.3%
27	Philippines	4	0.3%
28	Morocco	4	0.3%
29	Turkey	4	0.3%
30	Sweden	4	0.3%
31	Serbia	3	0.2%
32	Jordan	3	0.2%
33	Romania	3	0.2%
34	Iran, Islamic Republic of	3	0.2%
35	Bangladesh	3	0.2%
36	Colombia	3	0.2%
37	Cyprus	3	0.2%
38	Indonesia	2	0.1%
39	Portugal	2	0.1%
40	Myanmar	2	0.1%
41	Nepal	1	0.1%
42	Malaysia	1	0.1%
43	Saudi Arabia	1	0.1%
44	Hong Kong	1	0.1%
45	Belgium	1	0.1%
46	Switzerland	1	0.1%
47	Ukraine	1	0.1%
48	United Arab Emirates	1	0.1%
49	Thailand	1	0.1%