Table:
1980 to 2000
2000 to 2013

percent

real gross output
3.7
2.4

contributions

labour input
0.1
0.5

capital input
1.6
3.0

natural capital input
0.4
0.1

intermediate input
1.8
1.6

mfp growth
-0.2
-2.8

addendum

real output growth
3.7
2.4

labour input growth
2.4
7.6

capital input growth
3.9
6.7

natural capital input growth
3.4
2.3

intermediate input growth
4.8
4.6

mfp growth without natural capital
-0.7
-3.6

Statement: natural capital input contributed 0.4 percentage points from 1980 to 2000.
Question: what's the percent of natural capital input from 1980 to 2000.
Answer: [0.4]