The median household income rose by NUMBER@1 % while the income for the 20th percentile -LRB- the lower threshold for the second lowest quintile -RRB- rose by only NUMBER@2 % from $ NUMBER@3 to $ NUMBER@4 .

The median household income rose by NUMBER@1 % while the income for the 20th percentile -LRB- the lower threshold for the second lowest quitile -RRB- rose by only NUMBER@2 % from $ NUMBER@3 to $ NUMBER@4 .
