Rank	Countries/Territories	Count	Percent
1	United States	661	43.7%
2	China	292	19.3%
3	India	132	8.7%
4	Germany	89	5.9%
5	Singapore	82	5.4%
6	Japan	22	1.5%
7	Netherlands	22	1.5%
8	Russia	21	1.4%
9	Denmark	19	1.3%
10	Canada	18	1.2%
11	United Kingdom	13	0.9%
12	Australia	12	0.8%
13	Korea, Republic of	11	0.7%
14	Turkey	11	0.7%
15	Spain	10	0.7%
16	Sweden	7	0.5%
17	Ireland	7	0.5%
18	Israel	6	0.4%
19	Italy	6	0.4%
20	Saudi Arabia	6	0.4%
21	Brazil	6	0.4%
22	Hong Kong	6	0.4%
23	Romania	5	0.3%
24	Ukraine	5	0.3%
25	Cyprus	4	0.3%
26	Chile	4	0.3%
27	Argentina	3	0.2%
28	France	3	0.2%
29	Oman	3	0.2%
30	Pakistan	2	0.1%
31	Belgium	2	0.1%
32	Iran, Islamic Republic of	2	0.1%
33	United Arab Emirates	2	0.1%
34	South Africa	2	0.1%
35	Taiwan	1	0.1%
36	Slovakia	1	0.1%
37	Slovenia	1	0.1%
38	Vanuatu	1	0.1%
39	Viet Nam	1	0.1%
40	Latvia	1	0.1%
41	Malaysia	1	0.1%
42	Mongolia	1	0.1%
43	Norway	1	0.1%
44	Czech Republic	1	0.1%
45	Hungary	1	0.1%
46	Guinea	1	0.1%
47	Afghanistan	1	0.1%
48	Azerbaijan	1	0.1%
49	Bangladesh	1	0.1%
50	Bulgaria	1	0.1%