Survey of Income and Program Participation (SIPP): SIPP 2020, SIPP 2019, SIPP 2018, 2014 Panel Wave 4, 2014 Panel Wave 3, 2014 Panel Wave 2, 2014 Panel Wave 1, 2008 Panel Wave 10, 2008 Panel, Wave 4, 2004 Panel Wave 8, 2004 Panel Wave 3, 2001 Panel Wave 7, 1996 Panel Wave 12, 1996 Panel Wave 6.