Table:
1980 to 2000
2000 to 2015
2000 to 2015 less 1980 to 2000

percent

growth in real value-added
3.2
1.8
-1.4

growth in hours worked
1.5
0.9
-0.6

labour productivity growth
1.7
1.0
-0.7

contributions to labour productivity growth from

capital deepening
0.9
0.9
0.0

labour composition
0.4
0.2
-0.2

mfp growth
0.4
-0.2
-0.6

Statement: mfp growth had an increase of 0.4% per year in the period from 1980 to 2000.
Question: what's the percent of mfp growth per year in the period from 1980 to 2000?
Answer: [0.4]