Rank	Countries/Territories	Count	Percent
1	United States	383	30.3%
2	China	339	26.8%
3	Japan	97	7.7%
4	Germany	77	6.1%
5	United Kingdom	57	4.5%
6	Spain	30	2.4%
7	Italy	20	1.6%
8	Austria	19	1.5%
9	Singapore	19	1.5%
10	Korea, Republic of	18	1.4%
11	Canada	16	1.3%
12	Netherlands	13	1%
13	India	12	0.9%
14	Taiwan	12	0.9%
15	Thailand	11	0.9%
16	Ireland	10	0.8%
17	Portugal	9	0.7%
18	Denmark	9	0.7%
19	Colombia	9	0.7%
20	Sweden	9	0.7%
21	Greece	8	0.6%
22	Hong Kong	7	0.6%
23	Philippines	7	0.6%
24	France	7	0.6%
25	Iran, Islamic Republic of	6	0.5%
26	Brazil	6	0.5%
27	Argentina	5	0.4%
28	Saudi Arabia	5	0.4%
29	Turkey	4	0.3%
30	Croatia	4	0.3%
31	Ecuador	4	0.3%
32	Norway	4	0.3%
33	Russia	4	0.3%
34	Australia	3	0.2%
35	Bangladesh	2	0.2%
36	Belgium	2	0.2%
37	Cyprus	2	0.2%
38	Poland	2	0.2%
39	Mexico	2	0.2%
40	Switzerland	2	0.2%
41	South Africa	1	0.1%
42	United Arab Emirates	1	0.1%
43	Viet Nam	1	0.1%
44	Latvia	1	0.1%
45	Lebanon	1	0.1%
46	Lithuania	1	0.1%
47	Luxembourg	1	0.1%
48	New Zealand	1	0.1%
49	Romania	1	0.1%
50	Czech Republic	1	0.1%
51	Finland	1	0.1%