Rank	Countries/Territories	Count	Percent
1	United States	431	40.8%
2	China	180	17%
3	Germany	75	7.1%
4	Canada	42	4%
5	Japan	42	4%
6	India	38	3.6%
7	Netherlands	34	3.2%
8	Ireland	26	2.5%
9	Australia	23	2.2%
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	0.9%
17	Russia	9	0.9%
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	New Zealand	3	0.3%
24	Cyprus	3	0.3%
25	Egypt	2	0.2%
26	Greece	2	0.2%
27	Croatia	2	0.2%
28	Norway	2	0.2%
29	Peru	2	0.2%
30	Romania	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	Senegal	1	0.1%
39	Colombia	1	0.1%
40	Argentina	1	0.1%
41	Armenia	1	0.1%
42	Hong Kong	1	0.1%
43	Ghana	1	0.1%
44	France	1	0.1%
45	Czech Republic	1	0.1%