Level | Criterion | Threshold in United States dollars (2013–2015) | Discount (percentage) | A | Permanent members of the Security Council | Not applicable | Premium | B | All Member States, except those covered below and level A | Not applicable | 0 | C | As listed in the annex to General Assembly resolution 55/235 | Not applicable | 7.5 | D | Member States with per capita gross national income less than 2 times the average for all Member States (except level A, C and J contributors) | Under 16,676 | 20 | E | Member States with per capita gross national income less than 1.8 times the average for all Member States (except level A, C and J contributors) | Under 15,009 | 40 | F | Member States with per capita gross national income less than 1.6 times the average for all Member States (except level A, C and J contributors) | Under 13,341 | 60 | G | Member States with per capita gross national income less than 1.4 times the average for all Member States (except level A, C and J contributors) | Under 11,674 | 70 | H | Member States with per capita gross national income less than 1.2 times the average for all Member States (except level A, C and J contributors) | Under 10,006 | 80 (or 70 on a voluntary basis)a | I | Member States with per capita gross national income less than the average for all Member States (except level A, C and J contributors) | Under 8,338 | 80 | J | Least developed countries (except level A and C contributors) | Not applicable | 90