Rank	Countries/Territories	Count	Percent
1	United States	273	32.6%
2	China	252	30.1%
3	Japan	42	5%
4	Finland	26	3.1%
5	Singapore	24	2.9%
6	United Kingdom	21	2.5%
7	Germany	20	2.4%
8		20	2.4%
9	Russia	17	2%
10	Italy	14	1.7%
11	Turkey	13	1.6%
12	France	12	1.4%
13	Netherlands	11	1.3%
14	Canada	8	1%
15	Taiwan	7	0.8%
16	Pakistan	6	0.7%
17	Iran, Islamic Republic of	6	0.7%
18	Hong Kong	5	0.6%
19	India	5	0.6%
20	Cambodia	3	0.4%
21	Moldova, Republic of	3	0.4%
22	Mongolia	3	0.4%
23	South Africa	3	0.4%
24	Sweden	3	0.4%
25	Portugal	2	0.2%
26	Romania	2	0.2%
27	Norway	2	0.2%
28	Oman	2	0.2%
29	Ireland	2	0.2%
30	Israel	2	0.2%
31	Lithuania	2	0.2%
32	Kenya	2	0.2%
33	Andorra	2	0.2%
34	Australia	2	0.2%
35	Estonia	2	0.2%
36	Georgia	1	0.1%
37	Indonesia	1	0.1%
38	Bangladesh	1	0.1%
39	Brazil	1	0.1%
40	Argentina	1	0.1%
41	Cameroon	1	0.1%
42	Czech Republic	1	0.1%
43	Korea, Republic of	1	0.1%
44	Latvia	1	0.1%
45	Mexico	1	0.1%
46	Philippines	1	0.1%
47	Poland	1	0.1%
48	New Zealand	1	0.1%
49	Switzerland	1	0.1%
50	Spain	1	0.1%
51	Thailand	1	0.1%
52	Ukraine	1	0.1%
53	Viet Nam	1	0.1%