Rank	Countries/Territories	Count	Percent
1	United States	466	41.2%
2	China	163	14.4%
3	Japan	153	13.5%
4	Germany	48	4.2%
5	United Kingdom	38	3.4%
6	Singapore	33	2.9%
7	Canada	24	2.1%
8	Ireland	24	2.1%
9	India	18	1.6%
10	Indonesia	13	1.1%
11	Australia	13	1.1%
12	Brazil	9	0.8%
13	Peru	9	0.8%
14	Russia	7	0.6%
15	Taiwan	7	0.6%
16	Thailand	7	0.6%
17	Bulgaria	7	0.6%
18	Netherlands	7	0.6%
19	France	6	0.5%
20	Hong Kong	6	0.5%
21	South Africa	6	0.5%
22	Viet Nam	5	0.4%
23	Norway	4	0.4%
24	Iran, Islamic Republic of	4	0.4%
25	Moldova, Republic of	4	0.4%
26	Korea, Republic of	4	0.4%
27	Malaysia	4	0.4%
28	Ethiopia	4	0.4%
29	Greece	3	0.3%
30	Colombia	3	0.3%
31	Sweden	3	0.3%
32	Oman	2	0.2%
33	Turkey	2	0.2%
34	Ecuador	2	0.2%
35	Argentina	2	0.2%
36	Mexico	2	0.2%
37	Israel	2	0.2%
38	Italy	1	0.1%
39	Iraq	1	0.1%
40	Kenya	1	0.1%
41	Nepal	1	0.1%
42	Niger	1	0.1%
43	Algeria	1	0.1%
44	Barbados	1	0.1%
45	Belgium	1	0.1%
46	Bolivia, Plurinational State of	1	0.1%
47	Egypt	1	0.1%
48	Cyprus	1	0.1%
49	Tunisia	1	0.1%
50	Tanzania, United Republic of	1	0.1%
51	Pakistan	1	0.1%
52	Romania	1	0.1%
53	Switzerland	1	0.1%
54	Sri Lanka	1	0.1%