Rank	Countries/Territories	Count	Percent
1	United States	467	39.1%
2	China	252	21.1%
3	Germany	91	7.6%
4	Ireland	34	2.8%
5	India	33	2.8%
6	Netherlands	28	2.3%
7	Russia	28	2.3%
8	Italy	25	2.1%
9	Canada	25	2.1%
10	Singapore	20	1.7%
11	Spain	15	1.3%
12	France	14	1.2%
13	Japan	14	1.2%
14	Korea, Republic of	10	0.8%
15	Australia	10	0.8%
16	Uzbekistan	10	0.8%
17	Turkey	10	0.8%
18	Hong Kong	9	0.8%
19	Czech Republic	8	0.7%
20	Cyprus	7	0.6%
21	United Kingdom	7	0.6%
22	Argentina	6	0.5%
23	Brazil	5	0.4%
24	Malaysia	5	0.4%
25	Mexico	4	0.3%
26	Colombia	4	0.3%
27	Hungary	4	0.3%
28	Algeria	4	0.3%
29	Viet Nam	4	0.3%
30	Switzerland	4	0.3%
31	Austria	3	0.3%
32	Iran, Islamic Republic of	3	0.3%
33	Mauritius	2	0.2%
34	Mongolia	2	0.2%
35	Morocco	2	0.2%
36	Philippines	2	0.2%
37	Romania	2	0.2%
38	Azerbaijan	2	0.2%
39	South Africa	2	0.2%
40	Thailand	2	0.2%
41	Sweden	2	0.2%
42	Slovakia	1	0.1%
43	Taiwan	1	0.1%
44	Ukraine	1	0.1%
45	Bangladesh	1	0.1%
46	Belgium	1	0.1%
47	Belize	1	0.1%
48	Chile	1	0.1%
49	Croatia	1	0.1%
50	Saudi Arabia	1	0.1%
51	Norway	1	0.1%
52	Pakistan	1	0.1%
53	Lithuania	1	0.1%
54	Macao	1	0.1%