Thinking about our national debt over the last few years, would you say your level of concern has increased or decreased?

Table with 2 columns and 8 rows.
Is that a lot or just a little?
Increased a lot50%
Increased a little28%
Decreased a little6%
Decreased a lot3%
(No change)10%
(Don't Know/Refused)4%
Increased (Net)78%
Decreased (Net)9%