Rank	Countries/Territories	Count	Percent
1	United States	475	41.5%
2	China	193	16.9%
3	Germany	109	9.5%
4	India	65	5.7%
5	Russia	30	2.6%
6	Netherlands	21	1.8%
7	Japan	18	1.6%
8	Hungary	14	1.2%
9	Korea, Republic of	14	1.2%
10	Canada	13	1.1%
11	Ireland	12	1%
12	Singapore	11	1%
13	United Kingdom	11	1%
14	Turkey	10	0.9%
15	Armenia	9	0.8%
16	Australia	9	0.8%
17	France	8	0.7%
18	Italy	7	0.6%
19	Cyprus	7	0.6%
20	Ukraine	7	0.6%
21	Switzerland	5	0.4%
22	Saudi Arabia	5	0.4%
23	Egypt	5	0.4%
24	Argentina	5	0.4%
25	Bangladesh	4	0.3%
26	Greece	4	0.3%
27	Philippines	4	0.3%
28	Poland	4	0.3%
29	Portugal	4	0.3%
30	Taiwan	4	0.3%
31	Uganda	4	0.3%
32	Peru	3	0.3%
33	Viet Nam	3	0.3%
34	Spain	3	0.3%
35	Sweden	3	0.3%
36	Bulgaria	3	0.3%
37	Finland	2	0.2%
38	Denmark	2	0.2%
39	Austria	2	0.2%
40	Azerbaijan	2	0.2%
41	Croatia	2	0.2%
42	Mongolia	2	0.2%
43	Nepal	2	0.2%
44	Kenya	2	0.2%
45	Pakistan	2	0.2%
46	Syrian Arab Republic	2	0.2%
47	United Arab Emirates	1	0.1%
48	Serbia	1	0.1%
49	South Africa	1	0.1%
50	Puerto Rico	1	0.1%
51	Romania	1	0.1%
52	New Zealand	1	0.1%
53	Nigeria	1	0.1%
54	Norway	1	0.1%
55	Lebanon	1	0.1%
56	Malaysia	1	0.1%
57	Jordan	1	0.1%
58	Kazakhstan	1	0.1%
59	Honduras	1	0.1%
60	Israel	1	0.1%
61	Iran, Islamic Republic of	1	0.1%
62	Brazil	1	0.1%
63	Albania	1	0.1%
64	Costa Rica	1	0.1%