Rank	Countries/Territories	Count	Percent
1	United States	406	22.3%
2	Japan	389	21.4%
3	China	367	20.2%
4	Germany	116	6.4%
5	Singapore	90	4.9%
6	India	88	4.8%
7	France	36	2%
8	Ireland	27	1.5%
9	United Kingdom	26	1.4%
10	Netherlands	24	1.3%
11	Taiwan	17	0.9%
12	Mexico	17	0.9%
13	Korea, Republic of	16	0.9%
14	Indonesia	15	0.8%
15	Nigeria	14	0.8%
16	Nepal	13	0.7%
17	Russia	10	0.5%
18	Brazil	9	0.5%
19	Canada	8	0.4%
20	Australia	8	0.4%
21	Cameroon	7	0.4%
22	Colombia	7	0.4%
23	Cyprus	7	0.4%
24	Philippines	7	0.4%
25	Peru	6	0.3%
26	Thailand	6	0.3%
27	Viet Nam	5	0.3%
28	Iran, Islamic Republic of	5	0.3%
29	Iraq	4	0.2%
30	Bolivia, Plurinational State of	4	0.2%
31	Lebanon	4	0.2%
32	Egypt	4	0.2%
33	Ethiopia	4	0.2%
34	Chile	4	0.2%
35	Switzerland	4	0.2%
36	Norway	4	0.2%
37	South Africa	4	0.2%
38	Costa Rica	3	0.2%
39	Denmark	2	0.1%
40	Ecuador	2	0.1%
41	Malaysia	2	0.1%
42	Kenya	2	0.1%
43	Ghana	2	0.1%
44	Guatemala	2	0.1%
45	Spain	2	0.1%
46	Portugal	2	0.1%
47	Oman	2	0.1%
48	Pakistan	2	0.1%
49	Nicaragua	2	0.1%
50	New Zealand	1	0.1%
51	Romania	1	0.1%
52	Poland	1	0.1%
53	Sweden	1	0.1%
54	Syrian Arab Republic	1	0.1%
55	Tanzania, United Republic of	1	0.1%
56	Turkey	1	0.1%
57	Ukraine	1	0.1%
58	Moldova, Republic of	1	0.1%
59	Czech Republic	1	0.1%
60	Bangladesh	1	0.1%
61	Belgium	1	0.1%
62	Albania	1	0.1%
63	Algeria	1	0.1%