### # use period for season? why? why not? # - semantic hairsplitting? make it an alias? why? why not? who cares? ### # use 2012-13 or 2012_13 or 2012.13 or 2012+13 why? why not ??? 2020/21 2019/20 2018/19 2017/18 2016/17 2015/16 2014/15 2013/14 2012/13 2011/12 2010/11 2009/10 2008/09 2007/08 2006/07 2005/06 2004/05 2003/04 2002/03 2001/02 2000/01 # -- years only -- 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 # e.g. Liga MX has two (complete) seasons in *one* year e.g. Clausura 2013 n Apertura 2013 ### for 2013.1 use 2013_I 2013-I 2013.I n 2013-II 2013.II or 2013.A n 2013.B - why? why not?? 2015.1 2015.2 2014.1 2014.2 2013.1 2013.2 2012.1 2012.2 2011.1 2011.2 2010.1 2010.2