Indicadores (tabla)
| Fecha | Valor | Editar |
|---|---|---|
| 2023 | 40.9 | |
| 2022 | 40.6 | |
| 2021 | 40.8 | |
| 2020 | 40.2 | |
| 2019 | 39.7 | |
| 2018 | 39.7 | |
| 2017 | 39.5 | |
| 2016 | 39.7 | |
| 2015 | 40.1 | |
| 2014 | 40.1 | |
| 2013 | 40.5 | |
| 2012 | 39.9 | |
| 2011 | 42.2 | |
| 2010 | 44.5 | |
| 2009 | 45.5 | |
| 2008 | 45.1 | |
| 2007 | 46.4 | |
| 2006 | 45.9 | |
| 2005 | 44.7 | |
| 2004 | 45.9 | |
| 2003 | 45 | |
| 2002 | 45.5 | |
| 2001 | 45 | |
| 2000 | 42.9 | |
| 1998 | 42.5 | |
| 1997 | 41.5 | |
| 1996 | 40.8 | |
| 1995 | 40.9 |