Year % of population 2000 87.3640207649067 2001 87.6027830851505 2002 87.8385392713498 2003 88.0732811150417 2004 88.3071370228667 2005 87.9905798672017 2006 88.1440617187268 2007 88.3118874800695 2008 88.4779312858562 2009 88.642191883269 2010 88.8047528450212 2011 88.9656021763823 2012 89.1247311719253 2013 89.2819713314618 2014 89.4374847948449 2015 89.5912469503616 2016 89.7432459855344 2017 89.8934102801381 2018 90.0425979115228 2019 90.1906503511874 2020 90.3373369493084 2021 90.4824630644152 2022 90.6257538469708