0301-7036 0301-7036 S0301-70362019000400177 10.22201/iiec.20078951e.2019.199.67516 Mexico Mexico 00 12 2019 00 12 2019 50 199 177 201

1999 52 3 3 2016 8 1 1 2010 2001 2016 44 3 3 2010 2 4 4 2018 2018 122 122 2018 9 1 1 2001 2001-15 2001-15 2000 1985 2016 63 4 4 1975 2 2 2 2005 1998 55 1 1 2014 Instituto Nacional de Estadística y Geografía (INEGI) 2018 2013 24 1999 114 3 3 2016 44 1999 13 2 2 2000 2014 11 33 33 2005 40 4 4 2006 80 1 1 OIT 2017 2012 17 4 4 2006 2014 3 1 1 2016 2006 2014 31 2013 7 3 3 2016 23 15 15