VT11. How many times did this happen in the last 12 months?
If 'DK/Don't remember', probe: Did it happen once, twice, or at least three times?[] 1 One time (Go to VT12A)
[] 2 Two times (Go to VT12B)
[] 3 Three or more times (Go to VT12B)
[] 8 DK/don't remember (Go to VT12B)