0041-8633 0041-8633 S0041-86332018000300973 10.22201/iij.24484873e.2018.153.13664 Mexico 00 12 2018 00 12 2018 51 153 973 999 2012 2013 2010 2008 2009 29 2002 2011 2016 2005 1992 1945 1972 2007 1990 2012 2002 2003 2010 2013 85 85 2015 1968 2001 2011 2003 1980 14 2009 43 Instituto Nacional de Estadística y Geografía 2003 1972 2009 1972 1999 2001 2015 2017 1971 4 4 4 1998 28 1964 1994 1978 2016 XII 72 72 1994 26 1 1 1998 1989 2005 2008 2006 1993 2009 1989 23 1996 2008 1996 6 12 12 2001 2004 2010 2012 2004 1917 1970 1972 2004 2017 2003 1976 1939 1934 2010 2016 1988 2012