Home equity value as reported in the wealth topical module, collected in the following waves, by panel: Wave 4 in the 1984 (HHTHEQ) & 1990-1993 (HH_THEQ) panels ; Wave 3 in 1996, 2001, & 2004 (THHTHEQ) panels; Wave 4 in 2008 panel (THHTHEQ).