What was the last year Nadal won the US Open?
2019
2008
2008
2008
2013
2008
2013
2008
2010
2017
2013
2008
2018
2010
2017
2013
2008
2018
2010
2017
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2014
2008
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2009
2011
2010
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2013
2015
2016
2014
2008
2018
2009
2011
2010
2012
2017
2013
2015
2016
2014
2008
2018
2009
2011
2010
2012
2017
2013
2015
2016
2014
2008
2018
2009
2011
2010
2012
2017
2013
2015
2016
2014
2008
2018
2009
2011
2010
2012
2017
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2016
2014
2008
2018
2009
2011
2010
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2015
2016
2014
2008
2018
2009
2011
2010
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2015
2016
2014
2008
2018
2009
2011
2010
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2013
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2016
2014
2008
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2011
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2008
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2009
2011
2010
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2015
2016
2014
2008
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2009
2011
2010
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2014
2008
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2009
2011
2010
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2016
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2008
2018
2009
2011
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2007
2017
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2009
2011
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2007
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2017
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2009
2011
2010
2012
2007
2006
2017
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2015
2016
2014
2018
2009
2011
2010
2012
2007
2006
2017
2015
2016
2014
2009