The Debt Management Office, DMO, yesterday said the nation’s public debt rose by N6.69 trillion or 22.47 per cent to N46. 25 trillion ($103.11 billion) at the end of  2022 from N39. 56 trillion ($95.77 billion) at the end of December 2021, with the Nigerian Association of Chambers of Commerce, Industry, Mines, and Agriculture, NACCIMA, highlighting its risk to the economy.