Rank	Countries/Territories	Count	Percent
1	United States	215	28.4%
2	China	198	26.2%
3	United Kingdom	40	5.3%
4	Japan	25	3.3%
5	Netherlands	23	3%
6	Germany	20	2.6%
7	India	18	2.4%
8	Korea, Republic of	16	2.1%
9	Mexico	15	2%
10	Sweden	11	1.5%
11	Switzerland	10	1.3%
12	Singapore	10	1.3%
13	Bulgaria	10	1.3%
14	Canada	9	1.2%
15	Hong Kong	9	1.2%
16	Malaysia	9	1.2%
17	France	9	1.2%
18	Ireland	8	1.1%
19	Iran, Islamic Republic of	8	1.1%
20	Australia	7	0.9%
21	Italy	6	0.8%
22	Serbia	6	0.8%
23	South Africa	4	0.5%
24	Thailand	4	0.5%
25	Mauritius	4	0.5%
26	Nigeria	4	0.5%
27	Pakistan	4	0.5%
28	Palestine, State of	3	0.4%
29	Portugal	3	0.4%
30	Romania	3	0.4%
31	Russia	3	0.4%
32	Latvia	3	0.4%
33	Brazil	3	0.4%
34	Tunisia	3	0.4%
35	Spain	3	0.4%
36	Turkey	2	0.3%
37	Viet Nam	2	0.3%
38	Bangladesh	2	0.3%
39	Iraq	2	0.3%
40	Indonesia	2	0.3%
41	Ghana	2	0.3%
42	Peru	2	0.3%
43	Philippines	2	0.3%
44	Poland	2	0.3%
45	Saudi Arabia	1	0.1%
46	Jordan	1	0.1%
47	Kenya	1	0.1%
48	Greece	1	0.1%
49	Hungary	1	0.1%
50	Argentina	1	0.1%
51	Ethiopia	1	0.1%
52	Finland	1	0.1%
53	Ukraine	1	0.1%
54	Taiwan	1	0.1%
55	Tanzania, United Republic of	1	0.1%
56	Slovakia	1	0.1%
57	Morocco	1	0.1%