Rank	Countries/Territories	Count	Percent
1	United States	497	37.7%
2	China	334	25.3%
3	Germany	114	8.6%
4	Canada	45	3.4%
5	France	29	2.2%
6	Korea, Republic of	29	2.2%
7	Japan	27	2%
8	Taiwan	27	2%
9	Ireland	26	2%
10	India	25	1.9%
11	Netherlands	20	1.5%
12	United Kingdom	14	1.1%
13	Hong Kong	14	1.1%
14	Italy	13	1%
15	Mauritius	13	1%
16	Australia	11	0.8%
17	Spain	7	0.5%
18	Thailand	6	0.5%
19	Philippines	6	0.5%
20	Hungary	4	0.3%
21	Greece	4	0.3%
22	Cyprus	3	0.2%
23	Belgium	3	0.2%
24	Latvia	3	0.2%
25	Iran, Islamic Republic of	3	0.2%
26	Poland	3	0.2%
27	Romania	2	0.2%
28	Russia	2	0.2%
29	Saudi Arabia	2	0.2%
30	Singapore	2	0.2%
31	Viet Nam	2	0.2%
32	Lithuania	2	0.2%
33	Macao	2	0.2%
34	Malaysia	2	0.2%
35	Mexico	2	0.2%
36	Mongolia	2	0.2%
37	Myanmar	2	0.2%
38	Brazil	2	0.2%
39	Bulgaria	1	0.1%
40	Cambodia	1	0.1%
41	Bangladesh	1	0.1%
42	Colombia	1	0.1%
43	Egypt	1	0.1%
44	Ethiopia	1	0.1%
45	Luxembourg	1	0.1%
46	Kuwait	1	0.1%
47	Indonesia	1	0.1%
48	Israel	1	0.1%
49	United Arab Emirates	1	0.1%
50	Sweden	1	0.1%
51	Switzerland	1	0.1%
52	South Africa	1	0.1%