The line graph is titled Mean listing age at time of de-listing. The horizontal axis lists years from 2005 to 2022. The vertical axis ranges from 0 to 40 in intervals of 5. The mean listing age rises sharply from 2005 to 2006, then declines through 2009. It increases from 2009 to 2011, dips in 2012, and rises strongly to 2014. It declines in 2015, reaches its highest level in 2016, and falls sharply in 2017. The value rises again in 2018, remains close to 30 through 2020, then declines in 2021 and falls further in 2022.