1405-1435 1405-1435 S1405-14352021000100013 10.29101/crcs.v28i0.16083 Mexico Mexico 00 00 2021 00 00 2021 28

2017 1998 1 1-2 1-2 1976 3 1 1 2009 38 38 2020 29 2 2 2009 1 3/4 3/4 1989 2006 4 1 1 2020 42 2020 40 1 1 2005 3 3 2020 39 5 5 1998 42 3 3 2012 56 3 3 1994 44 4 4 2013 2003 36 1 1 2004 7 1 1 INEGI 2020 1987 1990 84 2 2 1993 49 4 4 2020 1994 71 1 1 2018 16 1 1 2019 2001 28 5 5 2011 17 1 1 2015 9 9 2000 3 2-3 2-3 2005 55 2 2 2014 2019 46 5 5 2007 9 6 6 2013 18 2 2 2006 7 3 3 World Internet Stats 2021 2020 35 1 1