Anno;Trentino
1995;38.6
2000;37.5
2001;36.7
2002;38.1
2003;40.4
2004;39.7
2005;41.0
2006;42.9
2007;42.1
2008;41.6
2009;42.0
2010;40.7
2011;39.6
2012;41.0
2013;40.6
2014;40.2
2015;41.1
2016;40.9
2017;40.1
2018;41.3
2019;40.4
2020;39.4
2021;40.3
2022;38.7