When was Rodger Federer's last Australian Open?
2018
2018
2018
2018
2018
2018
2018
2018
2014
2018
2014
2018
2014
2017
2008
2018
2014
2017
2008
2018
2014
2015
2009
2017
2008
2018
2014
2015
2009
2017
2008
2018
2014
2013
2015
2009
2017
2008
2018
2014
2013
2015
2009
2017
2008
2018
2010
2014
2013
2015
2009
2017
2008
2018
2010
2014
2013
2015
2009
2017
2011
2008
2018
2010
2014
2013
2015
2009
2017
2011
2008
2018
2016
2010
2014
2013
2015
2009
2017
2011
2008
2018
2016
2010
2014
2013
2015
2009
2017
2011
2008
2018
2016
2010
2014
2013
2015
2009
2017
2011
2008
2016
2010
2014
2013
2015
2009
2017
2011
2008
2012
2016
2010
2014
2013
2015
2009
2017
2011
2008
2012
2016
2010
2014
2013
2015
2009
2017
2011
2008
2012
2016
2010
2014
2013
2007
2015
2009
2017
2011
2008
2012
2016
2010
2014
2013
2007
2015
2009
2006
2017
2011
2008
2012
2016
2010
2014
2013
2007
2015
2009
2006
2017
2011
2008
2012
2016
2010
2013
2007
2015
2009
2006
2017
2011
2008
2012
2016
2010
2013
2007
2015
2009
2004
2006
2017
2011
2008
2012
2005
2016
2010
2013
2007
2015
2009
2004
2006
2011
2012
2016