Rank	Countries/Territories	Count	Percent
1	United States	260	41.5%
2	Germany	73	11.7%
3	China	57	9.1%
4	India	47	7.5%
5	Japan	15	2.4%
6	Hungary	13	2.1%
7	Ireland	11	1.8%
8	Netherlands	11	1.8%
9	Singapore	10	1.6%
10	United Kingdom	9	1.4%
11	Korea, Republic of	8	1.3%
12	Turkey	7	1.1%
13	Ukraine	6	1%
14	Switzerland	5	0.8%
15	Italy	5	0.8%
16	Saudi Arabia	5	0.8%
17	Cyprus	5	0.8%
18	Australia	5	0.8%
19	Canada	5	0.8%
20	Bangladesh	4	0.6%
21	Egypt	4	0.6%
22	France	4	0.6%
23	Poland	4	0.6%
24	Portugal	4	0.6%
25	Peru	3	0.5%
26	Philippines	3	0.5%
27	Bulgaria	3	0.5%
28	Sweden	3	0.5%
29	Taiwan	3	0.5%
30	Viet Nam	3	0.5%
31	Pakistan	2	0.3%
32	Syrian Arab Republic	2	0.3%
33	Uganda	2	0.3%
34	Austria	2	0.3%
35	Azerbaijan	2	0.3%
36	Argentina	2	0.3%
37	Croatia	2	0.3%
38	Kenya	2	0.3%
39	Malaysia	1	0.2%
40	Nepal	1	0.2%
41	Israel	1	0.2%
42	Jordan	1	0.2%
43	Kazakhstan	1	0.2%
44	New Zealand	1	0.2%
45	Norway	1	0.2%
46	Romania	1	0.2%
47	Serbia	1	0.2%
48	Greece	1	0.2%
49	Costa Rica	1	0.2%
50	Albania	1	0.2%
51	Brazil	1	0.2%
52	South Africa	1	0.2%
53	United Arab Emirates	1	0.2%