Rank	Countries/Territories	Count	Percent
1	United States	457	36.9%
2	China	344	27.7%
3	Germany	115	9.3%
4	Japan	80	6.5%
5	Korea, Republic of	28	2.3%
6	Netherlands	28	2.3%
7	Australia	16	1.3%
8	United Kingdom	14	1.1%
9	Singapore	13	1%
10	Canada	12	1%
11	Ukraine	12	1%
12	Switzerland	11	0.9%
13	Spain	10	0.8%
14	France	10	0.8%
15	Italy	10	0.8%
16	Iran, Islamic Republic of	8	0.6%
17	Cyprus	7	0.6%
18	Czech Republic	7	0.6%
19	Taiwan	7	0.6%
20	India	6	0.5%
21	Pakistan	4	0.3%
22	Malaysia	3	0.2%
23	Ireland	3	0.2%
24	Hong Kong	3	0.2%
25	Denmark	3	0.2%
26	Nigeria	3	0.2%
27	Sweden	2	0.2%
28	Turkey	2	0.2%
29	Brazil	2	0.2%
30	Israel	2	0.2%
31	Mexico	2	0.2%
32	Lithuania	2	0.2%
33	Portugal	2	0.2%
34	Russia	2	0.2%
35	Saudi Arabia	1	0.1%
36	Serbia	1	0.1%
37	Poland	1	0.1%
38	Slovakia	1	0.1%
39	Macao	1	0.1%
40	New Zealand	1	0.1%
41	Argentina	1	0.1%
42	Bangladesh	1	0.1%
43	United Arab Emirates	1	0.1%
44	Sri Lanka	1	0.1%