Rank	Countries/Territories	Count	Percent
1	United States	498	37.2%
2	China	353	26.4%
3	Germany	119	8.9%
4	India	41	3.1%
5	Netherlands	41	3.1%
6	Russia	36	2.7%
7	United Kingdom	34	2.5%
8	Ireland	18	1.3%
9	Japan	16	1.2%
10	Spain	16	1.2%
11	Singapore	15	1.1%
12	France	15	1.1%
13	Australia	14	1%
14	Canada	13	1%
15	Korea, Republic of	11	0.8%
16	Romania	9	0.7%
17	Qatar	8	0.6%
18	Ukraine	8	0.6%
19	Sweden	6	0.4%
20	Cyprus	6	0.4%
21	Argentina	4	0.3%
22	Belgium	4	0.3%
23	Hungary	4	0.3%
24	Portugal	4	0.3%
25	Mongolia	3	0.2%
26	Serbia	3	0.2%
27	Dominican Republic	3	0.2%
28	Taiwan	3	0.2%
29	Thailand	3	0.2%
30	Turkey	3	0.2%
31	Switzerland	2	0.1%
32	South Africa	2	0.1%
33	Aland Islands	2	0.1%
34	Myanmar	2	0.1%
35	Lithuania	2	0.1%
36	Mexico	2	0.1%
37	Norway	2	0.1%
38	Philippines	1	0.1%
39	Poland	1	0.1%
40	Nepal	1	0.1%
41	Austria	1	0.1%
42	Bangladesh	1	0.1%
43	Ecuador	1	0.1%
44	Egypt	1	0.1%
45	Finland	1	0.1%
46	Iran, Islamic Republic of	1	0.1%
47	Brazil	1	0.1%
48	Georgia	1	0.1%
49	Viet Nam	1	0.1%
50	Slovakia	1	0.1%
51	Sri Lanka	1	0.1%