Table:
revised average growth in quarterly real gdp
previously-published average growth in quarterly real gdp
mean absolute revision to growth in quarterly real gdp

percent
percentage point

2017
0.76
0.78
0.02

2018
0.57
0.45
0.12

2019
0.43
0.38
0.05

2017 to 2019 average
0.59
0.54
0.05

Statement: the absolute revision to growth in quarterly real gdp was highest in 2018.
Question: which year's the absolute revision to growth in quarterly real gdp was highest?
Answer: [2018.0]