Rank	Countries/Territories	Count	Percent
1	United States	422	40.2%
2	Japan	153	14.6%
3	China	146	13.9%
4	Germany	47	4.5%
5	United Kingdom	36	3.4%
6	Singapore	33	3.1%
7	Canada	24	2.3%
8	Ireland	23	2.2%
9	India	18	1.7%
10	Australia	13	1.2%
11	Brazil	9	0.9%
12	Peru	9	0.9%
13	Bulgaria	7	0.7%
14	Russia	7	0.7%
15	Taiwan	7	0.7%
16	Thailand	7	0.7%
17	Hong Kong	6	0.6%
18	South Africa	6	0.6%
19	France	6	0.6%
20	Netherlands	6	0.6%
21	Indonesia	5	0.5%
22	Viet Nam	5	0.5%
23	Korea, Republic of	4	0.4%
24	Malaysia	4	0.4%
25	Moldova, Republic of	4	0.4%
26	Norway	4	0.4%
27	Ethiopia	4	0.4%
28	Greece	3	0.3%
29	Colombia	3	0.3%
30	Sweden	3	0.3%
31	Turkey	2	0.2%
32	Ecuador	2	0.2%
33	Oman	2	0.2%
34	Mexico	2	0.2%
35	Israel	2	0.2%
36	Italy	1	0.1%
37	Iran, Islamic Republic of	1	0.1%
38	Kenya	1	0.1%
39	Pakistan	1	0.1%
40	Romania	1	0.1%
41	Nepal	1	0.1%
42	Niger	1	0.1%
43	Egypt	1	0.1%
44	Cyprus	1	0.1%
45	Algeria	1	0.1%
46	Barbados	1	0.1%
47	Belgium	1	0.1%
48	Bolivia, Plurinational State of	1	0.1%
49	Tunisia	1	0.1%
50	Switzerland	1	0.1%
51	Tanzania, United Republic of	1	0.1%
52	Sri Lanka	1	0.1%