Rank	Countries/Territories	Count	Percent
1	United States	405	40.7%
2	China	203	20.4%
3	Germany	56	5.6%
4	Canada	33	3.3%
5	Korea, Republic of	30	3%
6	Singapore	30	3%
7	India	26	2.6%
8	France	25	2.5%
9	Japan	25	2.5%
10	United Kingdom	12	1.2%
11	Netherlands	11	1.1%
12	Brazil	11	1.1%
13	Algeria	10	1%
14	Pakistan	10	1%
15	Ukraine	10	1%
16	Italy	9	0.9%
17	Australia	9	0.9%
18	Greece	7	0.7%
19	Cyprus	6	0.6%
20	Iran, Islamic Republic of	6	0.6%
21	Russia	6	0.6%
22	Thailand	6	0.6%
23	Turkey	6	0.6%
24	New Zealand	5	0.5%
25	Malaysia	5	0.5%
26	Egypt	5	0.5%
27	Hong Kong	3	0.3%
28	Bangladesh	3	0.3%
29	Ireland	3	0.3%
30	Israel	2	0.2%
31	Philippines	2	0.2%
32	Ghana	2	0.2%
33	Ethiopia	2	0.2%
34	Ecuador	2	0.2%
35	Cameroon	1	0.1%
36	Austria	1	0.1%
37	Argentina	1	0.1%
38	Palestine, State of	1	0.1%
39	Nepal	1	0.1%
40	Nigeria	1	0.1%
41	Kazakhstan	1	0.1%
42	Uganda	1	0.1%
43	Slovenia	1	0.1%
44	Taiwan	1	0.1%