Rank	Countries/Territories	Count	Percent
1	United States	544	25.9%
2	China	483	23%
3	Germany	159	7.6%
4	United Kingdom	76	3.6%
5	Ireland	74	3.5%
6	India	72	3.4%
7	Spain	57	2.7%
8	Netherlands	50	2.4%
9	Canada	50	2.4%
10	Korea, Republic of	49	2.3%
11	Denmark	47	2.2%
12	Japan	43	2%
13	Russia	40	1.9%
14	Iran, Islamic Republic of	36	1.7%
15	France	34	1.6%
16	Australia	27	1.3%
17	Sweden	27	1.3%
18	Norway	20	1%
19	Italy	18	0.9%
20	Turkey	13	0.6%
21	Pakistan	12	0.6%
22	Singapore	12	0.6%
23	Israel	12	0.6%
24	New Zealand	9	0.4%
25	Romania	9	0.4%
26	South Africa	9	0.4%
27	Nigeria	8	0.4%
28	Brazil	7	0.3%
29	Hong Kong	6	0.3%
30	Colombia	6	0.3%
31	Indonesia	6	0.3%
32	Slovenia	6	0.3%
33	Taiwan	6	0.3%
34	Morocco	5	0.2%
35	Portugal	5	0.2%
36	Malaysia	5	0.2%
37	Cyprus	5	0.2%
38	Egypt	4	0.2%
39	Ghana	4	0.2%
40	Greece	4	0.2%
41	Belgium	4	0.2%
42	Saudi Arabia	4	0.2%
43	Switzerland	4	0.2%
44	Thailand	3	0.1%
45	Austria	3	0.1%
46	Mexico	3	0.1%
47	Mauritius	2	0.1%
48	Latvia	2	0.1%
49	Argentina	2	0.1%
50	Ukraine	2	0.1%
51	Qatar	2	0.1%
52	Poland	1	0%
53	Oman	1	0%
54	Syrian Arab Republic	1	0%
55	Serbia	1	0%
56	Slovakia	1	0%
57	United Arab Emirates	1	0%
58	Tunisia	1	0%
59	Belarus	1	0%
60	Bulgaria	1	0%
61	Chile	1	0%
62	El Salvador	1	0%
63	Lithuania	1	0%
64	Macao	1	0%