state / province / country most recent yr number of times years since last visit              
Andorra country 2017 2 1 2004 2017
Austria country 2010 4 8 2000 2000 2004 2010
Belgium country 2015 3 3 2003 2009 2015
Bosnia-Herzegovina country 2014 1 4 2014
Bulgaria country 2013 1 5 2013
Croatia country 2014 1 4 2014
Czech Republic country 2018 2 0 2004 2018
Denmark country 2016 2 2 2003 2016
England country 2018 7 0 1998 1999 2009 2012 2014 2015 2018
Estonia country 2011 2 7 2007 2011
Finland country 2016 5 2 2000 2007 2011 2014 2016
France country 2015 5 3 1998 1999 2004 2010 2015
Germany country 2013 6 5 2000 2000 2003 2007 2007 2013
Gibraltar country 2011 1 7 2011
Hungary country 2010 2 8 2004 2010
Iceland country 2016 2 2 2003 2016
Ireland country 2009 3 9 1998 2005 2009
Italy country 2015 3 3 2004 2010 2015
Latvia country 2011 1 7 2011
Liechtenstein country 2010 3 8 2000 2008 2010
Lithuania country 2011 1 7 2011
Luxembourg country 2003 1 15 2003
Macedonia country 2013 1 5 2013
Moldova country 2015 1 3 2015
Monaco country 2004 1 14 2004
Montenegro country 2014 1 4 2014
Morocco country 2011 1 7 2011
Netherlands country 2009 2 9 2003 2009
Northern Ireland country 2017 2 1 2009 2017
Norway country 2007 2 11 1999 2007
Poland country 2018 2 0 2012 2018
Portugal country 2014 1 4 2014
Romania country 2015 1 3 2015
Scotland country 2017 3 1 1998 2003 2017
Serbia country 2016 1 2 2016
Slovakia country 2018 2 0 2010 2018
Slovenia country 2016 1 2 2016
Spain country 2017 3 1 2004 2011 2017
Sweden country 2018 6 0 1998 2000 2003 2011 2016 2018
Switzerland country 2008 3 10 2000 2004 2008
Vatican City State country 2015 1 3 2015
Wales country 1998 1 20 1998
Alberta province 2012 3 6 1996 2008 2012
British Columbia province 2012 4 6 1996 2004 2008 2012
Ontario province 2017 3 1 2010 2016 2017
Yukon Territory province 2004 1 14 2004
Alabama state 2004 1 14 2004
Alaska state 2004 1 14 2004
California state 2014 6 4 2001 2002 2004 2008 2013 2014
Florida state 2010 4 8 1997 2004 2009 2010
Hawaii state 2013 2 5 2005 2013
Iowa state 2018 1 0 2018
Michigan state 2017 2 1 2016 2017
Minnesota state 2017 1 1 2017
Missouri state 2018 1 0 2018
Nevada state 2001 1 17 2001
New York state 2016 1 2 2016
Ohio state 2011 1 7 2011
South Dakota state 2010 1 8 2010
Virginia state 2007 1 11 2007
Washington state 2008 1 10 2008
Wisconsin state 2017 2 1 2016 2017