Rank	Countries/Territories	Count	Percent
1	United States	550	32.3%
2	China	438	25.7%
3	Germany	109	6.4%
4	Japan	107	6.3%
5	United Kingdom	63	3.7%
6	Spain	38	2.2%
7	Australia	32	1.9%
8	Italy	29	1.7%
9	Greece	24	1.4%
10	Taiwan	24	1.4%
11	Singapore	19	1.1%
12	Canada	19	1.1%
13	Austria	19	1.1%
14	Korea, Republic of	19	1.1%
15	Netherlands	17	1%
16	Turkey	16	0.9%
17	India	14	0.8%
18	Sweden	12	0.7%
19	Thailand	11	0.6%
20	France	11	0.6%
21	Ireland	10	0.6%
22	Brazil	10	0.6%
23	Denmark	9	0.5%
24	Colombia	9	0.5%
25	Portugal	9	0.5%
26	Philippines	7	0.4%
27	Belgium	7	0.4%
28	Hong Kong	7	0.4%
29	Poland	6	0.4%
30	Iran, Islamic Republic of	6	0.4%
31	Argentina	5	0.3%
32	Saudi Arabia	5	0.3%
33	Switzerland	4	0.2%
34	Norway	4	0.2%
35	Russia	4	0.2%
36	Croatia	4	0.2%
37	Ecuador	4	0.2%
38	Romania	3	0.2%
39	New Zealand	3	0.2%
40	Mexico	2	0.1%
41	Egypt	2	0.1%
42	Cyprus	2	0.1%
43	Bangladesh	2	0.1%
44	Czech Republic	1	0.1%
45	Finland	1	0.1%
46	Latvia	1	0.1%
47	Lebanon	1	0.1%
48	Lithuania	1	0.1%
49	Luxembourg	1	0.1%
50	South Africa	1	0.1%
51	Ukraine	1	0.1%
52	United Arab Emirates	1	0.1%
53	Viet Nam	1	0.1%