Rank	Countries/Territories	Count	Percent
1	United States	459	29.7%
2	China	382	24.7%
3	Japan	259	16.8%
4	Germany	78	5.1%
5	Singapore	62	4%
6	Spain	37	2.4%
7	France	28	1.8%
8	India	25	1.6%
9	Netherlands	18	1.2%
10	Canada	17	1.1%
11	Korea, Republic of	16	1%
12	United Kingdom	16	1%
13	Australia	10	0.6%
14	Hong Kong	9	0.6%
15	Taiwan	9	0.6%
16	Ukraine	9	0.6%
17	Viet Nam	8	0.5%
18	Ecuador	8	0.5%
19	Indonesia	7	0.5%
20	Ireland	7	0.5%
21	Poland	6	0.4%
22	Russia	5	0.3%
23	Argentina	5	0.3%
24	Brazil	5	0.3%
25	Cyprus	5	0.3%
26	Nigeria	4	0.3%
27	Mexico	4	0.3%
28	Turkey	4	0.3%
29	Tunisia	3	0.2%
30	Iraq	3	0.2%
31	Philippines	3	0.2%
32	Saudi Arabia	3	0.2%
33	South Africa	3	0.2%
34	Bangladesh	3	0.2%
35	Belgium	3	0.2%
36	Ghana	3	0.2%
37	Iran, Islamic Republic of	2	0.1%
38	Albania	2	0.1%
39	Serbia	2	0.1%
40	Romania	2	0.1%
41	Morocco	2	0.1%
42	Luxembourg	2	0.1%
43	Malaysia	2	0.1%
44	Greece	1	0.1%
45	Ethiopia	1	0.1%
46	Finland	1	0.1%
47	Switzerland	1	0.1%