Rank	Countries/Territories	Count	Percent
1	United States	263	32.9%
2	China	259	32.4%
3	Canada	49	6.1%
4	Germany	22	2.8%
5	Japan	22	2.8%
6	Singapore	19	2.4%
7	Korea, Republic of	18	2.3%
8	India	17	2.1%
9	Hong Kong	13	1.6%
10	United Kingdom	12	1.5%
11	Russia	10	1.3%
12	Taiwan	9	1.1%
13	Portugal	7	0.9%
14	Brazil	7	0.9%
15	Austria	7	0.9%
16	Australia	6	0.8%
17	France	5	0.6%
18	Andorra	4	0.5%
19	Spain	4	0.5%
20	Mexico	4	0.5%
21	Turkey	4	0.5%
22	Netherlands	3	0.4%
23	Ireland	3	0.4%
24	Israel	3	0.4%
25	Sweden	3	0.4%
26	Romania	3	0.4%
27	Denmark	3	0.4%
28	Iran, Islamic Republic of	2	0.3%
29	Belgium	2	0.3%
30	Norway	2	0.3%
31	Oman	1	0.1%
32	Pakistan	1	0.1%
33	Thailand	1	0.1%
34	Italy	1	0.1%
35	Malaysia	1	0.1%
36	New Zealand	1	0.1%
37	Mongolia	1	0.1%
38	Nepal	1	0.1%
39	Aland Islands	1	0.1%
40	Bahrain	1	0.1%
41	Bangladesh	1	0.1%
42	Egypt	1	0.1%
43	Greece	1	0.1%
44	Viet Nam	1	0.1%