Rank	Countries/Territories	Count	Percent
1	United States	490	47.3%
2	China	285	27.5%
3	Germany	85	8.2%
4	Canada	33	3.2%
5	United Kingdom	12	1.2%
6	Ireland	11	1.1%
7	Singapore	11	1.1%
8	France	9	0.9%
9	Netherlands	9	0.9%
10	Australia	9	0.9%
11	Japan	6	0.6%
12	Belgium	5	0.5%
13	India	5	0.5%
14	Cyprus	5	0.5%
15	United Arab Emirates	4	0.4%
16	Taiwan	4	0.4%
17	Viet Nam	3	0.3%
18	Greece	3	0.3%
19	Brazil	3	0.3%
20	Bangladesh	3	0.3%
21	Nepal	3	0.3%
22	Switzerland	3	0.3%
23	Philippines	3	0.3%
24	Sweden	2	0.2%
25	Korea, Republic of	2	0.2%
26	Malaysia	2	0.2%
27	Afghanistan	2	0.2%
28	Argentina	2	0.2%
29	Hong Kong	2	0.2%
30	Egypt	2	0.2%
31	Israel	2	0.2%
32	Ukraine	2	0.2%
33	Yemen	1	0.1%
34	Thailand	1	0.1%
35	Tunisia	1	0.1%
36	Turkey	1	0.1%
37	Indonesia	1	0.1%
38	Austria	1	0.1%
39	Mongolia	1	0.1%
40	Kazakhstan	1	0.1%
41	Pakistan	1	0.1%
42	Slovakia	1	0.1%
43	Sri Lanka	1	0.1%
44	Poland	1	0.1%
45	Russia	1	0.1%
46	Saudi Arabia	1	0.1%