Rank	Countries/Territories	Count	Percent
1	United States	541	38.6%
2	China	379	27%
3	Russia	109	7.8%
4	Germany	54	3.8%
5	India	50	3.6%
6	Ireland	26	1.9%
7	Brazil	21	1.5%
8	Italy	20	1.4%
9	France	20	1.4%
10	Japan	18	1.3%
11	United Kingdom	17	1.2%
12	Korea, Republic of	13	0.9%
13	Latvia	13	0.9%
14	Australia	12	0.9%
15	Portugal	12	0.9%
16	Greece	11	0.8%
17	Canada	10	0.7%
18	Mexico	8	0.6%
19	Netherlands	7	0.5%
20	Hong Kong	7	0.5%
21	Spain	6	0.4%
22	Argentina	5	0.4%
23	Viet Nam	4	0.3%
24	Turkey	3	0.2%
25	Finland	3	0.2%
26	Singapore	3	0.2%
27	South Africa	2	0.1%
28	Qatar	2	0.1%
29	Romania	2	0.1%
30	Sweden	2	0.1%
31	Switzerland	2	0.1%
32	Taiwan	2	0.1%
33	Tunisia	2	0.1%
34	Mongolia	2	0.1%
35	Malta	2	0.1%
36	Bangladesh	2	0.1%
37	Iceland	2	0.1%
38	Ukraine	2	0.1%
39	Lithuania	1	0.1%
40	Malaysia	1	0.1%
41	Czech Republic	1	0.1%
42	Egypt	1	0.1%
43	Iran, Islamic Republic of	1	0.1%
44	Nepal	1	0.1%
45	New Zealand	1	0.1%