Rank	Countries/Territories	Count	Percent
1	United States	467	35.9%
2	China	375	28.8%
3	Germany	75	5.8%
4	Pakistan	46	3.5%
5	Japan	35	2.7%
6	India	35	2.7%
7	Australia	21	1.6%
8	Italy	21	1.6%
9	United Kingdom	19	1.5%
10	Spain	15	1.2%
11	Ireland	15	1.2%
12	Hong Kong	13	1%
13	Canada	12	0.9%
14	Denmark	11	0.8%
15	Iran, Islamic Republic of	11	0.8%
16	Russia	9	0.7%
17	Taiwan	9	0.7%
18	Turkey	9	0.7%
19	Lebanon	8	0.6%
20	Korea, Republic of	7	0.5%
21	Netherlands	7	0.5%
22	Switzerland	7	0.5%
23	Norway	6	0.5%
24	Singapore	6	0.5%
25	Portugal	6	0.5%
26	Czech Republic	6	0.5%
27	Brazil	6	0.5%
28	Finland	5	0.4%
29	Israel	5	0.4%
30	Mexico	4	0.3%
31	Viet Nam	4	0.3%
32	Romania	3	0.2%
33	Indonesia	3	0.2%
34	Afghanistan	3	0.2%
35	Egypt	2	0.2%
36	Croatia	2	0.2%
37	New Zealand	2	0.2%
38	Poland	2	0.2%
39	Sweden	2	0.2%
40	Ukraine	2	0.2%
41	Serbia	1	0.1%
42	Mauritius	1	0.1%
43	Bulgaria	1	0.1%
44	France	1	0.1%