Rank	Countries/Territories	Count	Percent
1	United States	477	44.3%
2	China	196	18.2%
3	Germany	74	6.9%
4	Iran, Islamic Republic of	35	3.2%
5	Hong Kong	35	3.2%
6	Japan	31	2.9%
7	France	26	2.4%
8	India	25	2.3%
9	Netherlands	14	1.3%
10	Singapore	14	1.3%
11	Canada	13	1.2%
12		12	1.1%
13	Australia	10	0.9%
14	Ireland	10	0.9%
15	Poland	8	0.7%
16	Cyprus	7	0.6%
17	Thailand	6	0.6%
18	United Kingdom	6	0.6%
19	Russia	5	0.5%
20	Korea, Republic of	5	0.5%
21	Saudi Arabia	4	0.4%
22	Turkey	4	0.4%
23	Portugal	4	0.4%
24	Pakistan	4	0.4%
25	Sweden	4	0.4%
26	New Zealand	3	0.3%
27	Malaysia	3	0.3%
28	Italy	3	0.3%
29	Indonesia	3	0.3%
30	Finland	3	0.3%
31	Argentina	2	0.2%
32	Colombia	2	0.2%
33	Kenya	2	0.2%
34	Jamaica	2	0.2%
35	Kuwait	2	0.2%
36	Syrian Arab Republic	2	0.2%
37	Taiwan	2	0.2%
38	Philippines	2	0.2%
39	Romania	2	0.2%
40	Viet Nam	2	0.2%
41	Ukraine	1	0.1%
42	United Arab Emirates	1	0.1%
43	Uzbekistan	1	0.1%
44	Latvia	1	0.1%
45	Lebanon	1	0.1%
46	Mexico	1	0.1%
47	Bangladesh	1	0.1%
48	Brazil	1	0.1%
49	Bulgaria	1	0.1%
50	Egypt	1	0.1%
51	Georgia	1	0.1%
52	Greece	1	0.1%
53	Honduras	1	0.1%