Year % 2001 102.5132462170597 2002 104.29111978428122 2003 79.53496066156333 2004 60.47206184398565 2005 45.720492466807016 2006 39.81151941791755 2007 29.463830543785303 2008 29.881471267071465 2009 40.26910590639775 2010 40.66712366691185 2011 38.168664195600996 2012 30.637828108355546 2013 30.04747888521793 2014 30.521406993133727 2015 31.0253218160317 2016 25.2831074367012 2017 24.63746317013315 2018 22.719747015019298 2019 22.786552476605245 2020 33.11594117532462 2021 37.82784446834579 2022 35.180370940079115