Rank	Countries/Territories	Count	Percent
1	United States	283	38.8%
2	China	166	22.7%
3	United Kingdom	30	4.1%
4	Russia	26	3.6%
5	India	22	3%
6	France	22	3%
7	Germany	19	2.6%
8	Ireland	15	2.1%
9	Latvia	12	1.6%
10	Japan	9	1.2%
11	Korea, Republic of	9	1.2%
12	Canada	9	1.2%
13	Spain	9	1.2%
14	Switzerland	8	1.1%
15	Israel	8	1.1%
16	Brazil	6	0.8%
17	Turkey	6	0.8%
18	Romania	5	0.7%
19	Australia	5	0.7%
20	Hong Kong	5	0.7%
21	Croatia	4	0.5%
22	Czech Republic	4	0.5%
23	Italy	3	0.4%
24	Colombia	3	0.4%
25	Bulgaria	3	0.4%
26	Netherlands	3	0.4%
27	Norway	3	0.4%
28	Ukraine	3	0.4%
29	Thailand	2	0.3%
30	Syrian Arab Republic	2	0.3%
31	Taiwan	2	0.3%
32	Singapore	2	0.3%
33	Kuwait	2	0.3%
34	Lebanon	2	0.3%
35	Egypt	2	0.3%
36	Denmark	1	0.1%
37	Ecuador	1	0.1%
38	Argentina	1	0.1%
39	Cyprus	1	0.1%
40	Lithuania	1	0.1%
41	Luxembourg	1	0.1%
42	Jordan	1	0.1%
43	Nigeria	1	0.1%
44	Oman	1	0.1%
45	Poland	1	0.1%
46	Portugal	1	0.1%
47	Qatar	1	0.1%
48	Slovakia	1	0.1%
49	South Africa	1	0.1%
50	Tanzania, United Republic of	1	0.1%
51	Vanuatu	1	0.1%