Rank	Countries/Territories	Count	Percent
1	United States	451	32.3%
2	China	398	28.5%
3	Japan	84	6%
4	Germany	71	5.1%
5	Australia	61	4.4%
6	Iran, Islamic Republic of	38	2.7%
7	United Kingdom	30	2.1%
8	France	27	1.9%
9	Singapore	26	1.9%
10	Switzerland	22	1.6%
11	India	21	1.5%
12	Korea, Republic of	14	1%
13	Canada	12	0.9%
14	Italy	11	0.8%
15	Spain	10	0.7%
16	Cyprus	10	0.7%
17	Netherlands	10	0.7%
18	Norway	9	0.6%
19	Malaysia	9	0.6%
20	Ireland	8	0.6%
21	Egypt	6	0.4%
22	Philippines	5	0.4%
23	Ukraine	5	0.4%
24	Romania	4	0.3%
25	Denmark	4	0.3%
26	Colombia	4	0.3%
27	Brazil	4	0.3%
28	Belgium	3	0.2%
29	Argentina	3	0.2%
30	Finland	3	0.2%
31	Hong Kong	3	0.2%
32	Pakistan	3	0.2%
33	Russia	2	0.1%
34	Saudi Arabia	2	0.1%
35	Poland	2	0.1%
36	Portugal	2	0.1%
37	Indonesia	2	0.1%
38	Mongolia	2	0.1%
39	Lebanon	2	0.1%
40	Cambodia	2	0.1%
41	Turkey	2	0.1%
42	South Africa	2	0.1%
43	Viet Nam	2	0.1%
44	Virgin Islands, British	1	0.1%
45	Thailand	1	0.1%
46	Croatia	1	0.1%
47	Greece	1	0.1%
48	Ecuador	1	0.1%
49	Peru	1	0.1%