Rank	Countries/Territories	Count	Percent
1	United States	295	31.5%
2	China	286	30.6%
3	Japan	48	5.1%
4	United Kingdom	31	3.3%
5	Finland	26	2.8%
6	Germany	26	2.8%
7	Singapore	24	2.6%
8		23	2.5%
9	Italy	18	1.9%
10	Russia	17	1.8%
11	Turkey	14	1.5%
12	France	14	1.5%
13	Netherlands	11	1.2%
14	Canada	8	0.9%
15	India	8	0.9%
16	Taiwan	8	0.9%
17	Pakistan	6	0.6%
18	Iran, Islamic Republic of	6	0.6%
19	Hong Kong	5	0.5%
20	Australia	4	0.4%
21	Romania	4	0.4%
22	South Africa	3	0.3%
23	Sweden	3	0.3%
24	Cambodia	3	0.3%
25	Korea, Republic of	3	0.3%
26	Lithuania	3	0.3%
27	Moldova, Republic of	3	0.3%
28	Mongolia	3	0.3%
29	Norway	2	0.2%
30	Oman	2	0.2%
31	Ireland	2	0.2%
32	Israel	2	0.2%
33	Kenya	2	0.2%
34	Andorra	2	0.2%
35	Estonia	2	0.2%
36	Portugal	2	0.2%
37	Switzerland	1	0.1%
38	Spain	1	0.1%
39	Thailand	1	0.1%
40	Ukraine	1	0.1%
41	Viet Nam	1	0.1%
42	Georgia	1	0.1%
43	Indonesia	1	0.1%
44	Argentina	1	0.1%
45	Bangladesh	1	0.1%
46	Brazil	1	0.1%
47	Cameroon	1	0.1%
48	Czech Republic	1	0.1%
49	Mexico	1	0.1%
50	Latvia	1	0.1%
51	Philippines	1	0.1%
52	Poland	1	0.1%
53	New Zealand	1	0.1%