Rank	Countries/Territories	Count	Percent
1	United States	332	29.9%
2	China	283	25.4%
3	Germany	134	12.1%
4	United Kingdom	79	7.1%
5	India	56	5%
6	Canada	25	2.2%
7	Netherlands	20	1.8%
8	Ireland	18	1.6%
9	France	18	1.6%
10	Japan	13	1.2%
11	Israel	11	1%
12	Spain	11	1%
13	Italy	10	0.9%
14	Russia	9	0.8%
15	Singapore	8	0.7%
16	Egypt	8	0.7%
17	Australia	7	0.6%
18	Iran, Islamic Republic of	6	0.5%
19	Denmark	5	0.4%
20	Nigeria	5	0.4%
21	Norway	3	0.3%
22	Pakistan	3	0.3%
23	Indonesia	3	0.3%
24	Cyprus	3	0.3%
25	Taiwan	3	0.3%
26	Venezuela, Bolivarian Republic of	3	0.3%
27	Ukraine	2	0.2%
28	Sweden	2	0.2%
29	Serbia	2	0.2%
30	Mexico	2	0.2%
31	Moldova, Republic of	2	0.2%
32	Ethiopia	2	0.2%
33	Afghanistan	2	0.2%
34	Brazil	2	0.2%
35	Hong Kong	2	0.2%
36	Macao	2	0.2%
37	Malaysia	1	0.1%
38	Luxembourg	1	0.1%
39	Hungary	1	0.1%
40	Isle of Man	1	0.1%
41	Cuba	1	0.1%
42	Algeria	1	0.1%
43	Argentina	1	0.1%
44	Belarus	1	0.1%
45	Gabon	1	0.1%
46	Ghana	1	0.1%
47	Namibia	1	0.1%
48	Switzerland	1	0.1%
49	South Africa	1	0.1%
50	Thailand	1	0.1%
51	Turkey	1	0.1%
52	Viet Nam	1	0.1%