Year % (cumulative) 1989 12.6090602874756 2005 22.6082401275635 2006 23.4401302337646 2007 25.6936702728271 2008 26.3587703704834 2009 26.7836894989014 2010 28.0673999786377 2011 29.2869892120361 2012 29.3347702026367 2013 29.8839302062988 2018 35.9517211914062 2019 37.3273239135742 2021 40.1166534423828 2022 41.4149131774902