Rank	Countries/Territories	Count	Percent
1	United States	444	41.3%
2	China	184	17.1%
3	Germany	75	7%
4	Japan	44	4.1%
5	Canada	42	3.9%
6	India	38	3.5%
7	Netherlands	34	3.2%
8	Ireland	26	2.4%
9	Australia	23	2.1%
10	Iran, Islamic Republic of	20	1.9%
11	Korea, Republic of	17	1.6%
12	Malaysia	13	1.2%
13	United Kingdom	13	1.2%
14	Singapore	12	1.1%
15	Switzerland	10	0.9%
16	Taiwan	9	0.8%
17	Russia	9	0.8%
18	Pakistan	6	0.6%
19	Brazil	6	0.6%
20	Portugal	5	0.5%
21	Italy	5	0.5%
22	Mexico	4	0.4%
23	Cyprus	4	0.4%
24	New Zealand	3	0.3%
25	Norway	2	0.2%
26	Peru	2	0.2%
27	Romania	2	0.2%
28	Egypt	2	0.2%
29	Greece	2	0.2%
30	Croatia	2	0.2%
31	Thailand	2	0.2%
32	Turkey	2	0.2%
33	Serbia	2	0.2%
34	Ukraine	1	0.1%
35	Slovakia	1	0.1%
36	Spain	1	0.1%
37	Tunisia	1	0.1%
38	Colombia	1	0.1%
39	Argentina	1	0.1%
40	Armenia	1	0.1%
41	Hong Kong	1	0.1%
42	Ghana	1	0.1%
43	France	1	0.1%
44	Czech Republic	1	0.1%
45	Senegal	1	0.1%