Rank	Countries/Territories	Count	Percent
1	United States	679	45.2%
2	China	310	20.6%
3	Japan	129	8.6%
4	Germany	108	7.2%
5	Singapore	39	2.6%
6	India	27	1.8%
7	France	18	1.2%
8	Canada	17	1.1%
9	Nepal	17	1.1%
10	Russia	16	1.1%
11	United Kingdom	16	1.1%
12	Australia	13	0.9%
13	Poland	12	0.8%
14	Korea, Republic of	11	0.7%
15	Netherlands	9	0.6%
16	Spain	7	0.5%
17	Iran, Islamic Republic of	7	0.5%
18	Ireland	6	0.4%
19	Latvia	6	0.4%
20	Taiwan	4	0.3%
21	Thailand	4	0.3%
22	Turkey	4	0.3%
23	Uganda	4	0.3%
24	Israel	4	0.3%
25	Greece	3	0.2%
26	Argentina	3	0.2%
27	Cyprus	3	0.2%
28	Ukraine	3	0.2%
29	Viet Nam	3	0.2%
30	Switzerland	2	0.1%
31	Malaysia	2	0.1%
32	Mexico	2	0.1%
33	Colombia	2	0.1%
34	Belgium	2	0.1%
35	Georgia	2	0.1%
36	Indonesia	2	0.1%
37	Hong Kong	1	0.1%
38	Brazil	1	0.1%
39	Djibouti	1	0.1%
40	Peru	1	0.1%
41	Philippines	1	0.1%
42	Portugal	1	0.1%
43	Romania	1	0.1%