{"id":"worldbank.bank-net-interest-margin.mrt.annual","dataset_id":"worldbank-bank-net-interest-margin","indicator":"bank-net-interest-margin","geography":"MRT","frequency":"annual","unit":"percent","start_period":"2001","end_period":"2020","org":"World Bank","original_indicator":"GFDD.EI.01","url":"https://api.worldbank.org/v2","retrieved_at":"2026-11-07T23:22:27+00:00","version":"1","geography_name":"Mauritania","region":"Sub-Saharan Africa ","observations":[{"period":"2001","value":6.596949,"flags":""},{"period":"2002","value":8.242854,"flags":""},{"period":"2003","value":7.353399,"flags":""},{"period":"2004","value":7.101979,"flags":""},{"period":"2005","value":7.249951,"flags":""},{"period":"2006","value":6.1255,"flags":""},{"period":"2007","value":5.976063,"flags":""},{"period":"2008","value":2.476942,"flags":""},{"period":"2009","value":4.391137,"flags":""},{"period":"2010","value":4.247342,"flags":""},{"period":"2011","value":3.956021,"flags":""},{"period":"2012","value":3.350068,"flags":""},{"period":"2013","value":4.503032,"flags":""},{"period":"2014","value":4.130358,"flags":""},{"period":"2015","value":4.227963,"flags":""},{"period":"2016","value":3.554147,"flags":""},{"period":"2017","value":2.890709,"flags":""},{"period":"2018","value":2.520228,"flags":""},{"period":"2019","value":2.256671,"flags":""},{"period":"2020","value":2.599569,"flags":""}],"indicator_name":"Bank net interest margin","topic":"Financial Sector","source":"worldbank","provenance":{"organization":"World Bank","original_indicator":"GFDD.EI.01","url":"https://api.worldbank.org/v2","retrieved_at":"2026-11-07T23:22:27+00:00","version":"1","license":"see source"}}