> For the 2nd to the 5th quintile, only 3% to 23% of households are still in the same quintile a decade later. I think you're misreading the table? Table 1 say

> For the 2nd to the 5th quintile, only 3% to 23% of households are still in the same quintile a decade later. I think you're misreading the table? Table 1 says that 72% of 5th-quintile households were still in the 5th quintile a decade later.