Rank	Countries/Territories	Count	Percent
1	United States	221	26.2%
2	China	186	22.1%
3	Japan	116	13.8%
4	Germany	56	6.7%
5	Singapore	45	5.3%
6	United Kingdom	29	3.4%
7	Bulgaria	23	2.7%
8	Netherlands	16	1.9%
9	Sweden	15	1.8%
10	Austria	14	1.7%
11	India	12	1.4%
12	Russia	12	1.4%
13	Canada	8	1%
14	Viet Nam	8	1%
15	Australia	7	0.8%
16	Korea, Republic of	6	0.7%
17	Kenya	5	0.6%
18	Ireland	5	0.6%
19	Romania	5	0.6%
20	Spain	5	0.6%
21	Brazil	4	0.5%
22	France	3	0.4%
23	Argentina	3	0.4%
24	Cote D'ivoire	3	0.4%
25	Denmark	3	0.4%
26	Hong Kong	3	0.4%
27	Taiwan	3	0.4%
28	Thailand	2	0.2%
29	Ukraine	2	0.2%
30	Nigeria	2	0.2%
31	Pakistan	2	0.2%
32	Poland	2	0.2%
33	Israel	2	0.2%
34	Lebanon	2	0.2%
35	Luxembourg	2	0.2%
36	Ethiopia	2	0.2%
37	Finland	2	0.2%
38	Bangladesh	1	0.1%
39	Iran, Islamic Republic of	1	0.1%
40	Greece	1	0.1%
41	Malaysia	1	0.1%
42	Saudi Arabia	1	0.1%
43	Turkey	1	0.1%