Rank	Countries/Territories	Count	Percent
1	United States	391	35.1%
2	China	211	18.9%
3	Japan	147	13.2%
4	Germany	97	8.7%
5	Singapore	39	3.5%
6	India	24	2.2%
7	France	18	1.6%
8	Ireland	15	1.3%
9	Egypt	14	1.3%
10	Argentina	14	1.3%
11	Korea, Republic of	12	1.1%
12	Netherlands	12	1.1%
13	Austria	11	1%
14	Belgium	10	0.9%
15	Taiwan	9	0.8%
16	Thailand	8	0.7%
17	Canada	7	0.6%
18	Hong Kong	7	0.6%
19	Russia	6	0.5%
20	Serbia	6	0.5%
21	United Kingdom	5	0.4%
22	South Africa	5	0.4%
23	Switzerland	4	0.4%
24	Italy	4	0.4%
25	Indonesia	4	0.4%
26	Cyprus	3	0.3%
27	Bangladesh	3	0.3%
28	Romania	3	0.3%
29	Syrian Arab Republic	3	0.3%
30	Ukraine	2	0.2%
31	Portugal	2	0.2%
32	Norway	2	0.2%
33	Malaysia	2	0.2%
34	Ecuador	2	0.2%
35	Iran, Islamic Republic of	2	0.2%
36	Georgia	2	0.2%
37	Ethiopia	1	0.1%
38	Iraq	1	0.1%
39	Brazil	1	0.1%
40	Australia	1	0.1%
41	Macao	1	0.1%
42	Pakistan	1	0.1%
43	Poland	1	0.1%
44	Turkey	1	0.1%