Table:
aboriginal population
non-aboriginal population

on reserve
off-reserve
difference
on reserve
off-reserve
difference

percent
percentage points
percent
percentage points

participation rate
61.9
79.5
-17.6
78.0
87.1
-9.1

employment rate
47.3
71.1
-23.8
68.8
82.1
-13.3

unemployment rate
23.6
10.6
13.0
11.8
5.8
6.0

Statement: for non-aboriginal people, the employment rate was 68.8% for those living on reserve and 82.1% for those living off-reserve-a difference of 13.3 percentage points.
Question: for non-aboriginal people, the employment rate was 68.8% for those living on reserve and 82.1% for those living off-reserve, what was the difference of them?
Answer: [13.3]