Year lending rate minus treasury bill rate, % 2006 5.255599999999999 2007 4.755599999999999 2008 4.255599999999999 2009 4.2581 2010 5.474383333333329 2011 4.753055280039429 2012 3.223804504236801 2013 2.202740704865329 2014 3.2407798931760308 2015 4.26791300297347 2016 7.264751144263499 2017 6.6536636807209 2018 7.1767228850732 2019 8.0226357918998 2020 8.1002303232237 2021 8.0654610099458 2022 7.4287065068347005 2023 8.1818258403694