Ukraine will spend $20 billion this year to repay principal and pay interest on its public debt, according to Finance Ministry figures. About 72% will go to repay domestic debt and 28% to repay foreign debt. Peak payment months are: March — $2.5 billion; June — $2.7 billion; and September — $3.6 billion. About 25% will go for interest payments, and 75% for repaying principal, the Ministry posted two weeks ago on Facebook.