Rank	Countries/Territories	Count	Percent
1	United States	227	28%
2	China	213	26.3%
3	United Kingdom	40	4.9%
4	India	31	3.8%
5	Japan	25	3.1%
6	Netherlands	23	2.8%
7	Germany	20	2.5%
8	Korea, Republic of	16	2%
9	Mexico	15	1.8%
10	Sweden	11	1.4%
11	Switzerland	10	1.2%
12	Singapore	10	1.2%
13	Bulgaria	10	1.2%
14	Canada	9	1.1%
15	Hong Kong	9	1.1%
16	France	9	1.1%
17	Malaysia	9	1.1%
18	Ireland	8	1%
19	Iran, Islamic Republic of	8	1%
20	Australia	8	1%
21	Indonesia	6	0.7%
22	Italy	6	0.7%
23	Serbia	6	0.7%
24	Romania	5	0.6%
25	Taiwan	4	0.5%
26	South Africa	4	0.5%
27	Thailand	4	0.5%
28	Mauritius	4	0.5%
29	Nigeria	4	0.5%
30	Pakistan	4	0.5%
31	Palestine, State of	3	0.4%
32	Portugal	3	0.4%
33	Latvia	3	0.4%
34	Hungary	3	0.4%
35	Brazil	3	0.4%
36	Tunisia	3	0.4%
37	Spain	3	0.4%
38	Russia	3	0.4%
39	Turkey	2	0.2%
40	Viet Nam	2	0.2%
41	Virgin Islands, British	2	0.2%
42	Bangladesh	2	0.2%
43	Ghana	2	0.2%
44	Iraq	2	0.2%
45	Peru	2	0.2%
46	Philippines	2	0.2%
47	Poland	2	0.2%
48	Morocco	1	0.1%
49	Jordan	1	0.1%
50	Kenya	1	0.1%
51	Greece	1	0.1%
52	Argentina	1	0.1%
53	Ethiopia	1	0.1%
54	Finland	1	0.1%
55	Ukraine	1	0.1%
56	Saudi Arabia	1	0.1%
57	Slovakia	1	0.1%
58	Tanzania, United Republic of	1	0.1%