Table:
all
male
female

average marginal effects

years since immigration

1 to 10
..
..
..

11 to 20
-0.023
-0.026
-0.025

21 to 30
-0.036
-0.040
-0.034

31 to 40
-0.081
-0.082
-0.081

over 40 years
-0.102
-0.088
-0.116

sex

male
0.015
..
..

female
..
..
..

education

bachelor's degree or higher
-0.037
-0.029
-0.049

some college or university education
-0.028
-0.020
-0.031

high school diploma or lower
..
..
..

knowledge of official languages

english
-0.036
-0.029
-0.047

french
-0.024
-0.025
-0.025

both english and french
-0.043
-0.030
-0.057

neither english nor french
..
..
..

hours worked per day by other household members in self-employment
0.003
0.002
0.005

household type

couple without children
-0.095
-0.062
-0.122

couple with children
-0.194
-0.151
-0.197

lone-parent
-0.098
-0.082
-0.069

other household types
-0.257
-0.236
-0.241

single-person
..
..
..

presence of other household members aged 26 to 64 years

yes
-0.039
-0.012
-0.105

no
..
..
..

presence of other adult household members who are non-immigrants or who landed over 40 years ago in canada

yes
-0.061
-0.067
-0.050

no
..
..
..

immigrant admission category

worker programs and provincial/territorial nominees
-0.028
-0.027
-0.034

business programs
0.034
0.028
0.030

sponsored immigrants
-0.025
-0.014
-0.029

landed prior to 1980
-0.052
-0.049
-0.057

refugees
..
..
..

source country or region

china
0.038
0.028
0.047

south asia
-0.016
-0.017
-0.014

european countries
-0.039
-0.049
-0.030

latin american countries
-0.010
-0.017
-0.003

rest of the world
..
..
..

social security agreement with canada

yes
-0.001
-0.003
0.001

no
..
..
..

homeownership status

yes
-0.116
-0.107
-0.122

no
..
..
..

activity limitation

yes
0.016
0.010
0.022

no
..
..
..

Statement: the 11 to 20 years since immigration group is a proxy for senior immigrants who have just met the residency requirement of the oas program and who typically receive about one-quarter of oas/gis benefits in 2016.
Question: what is the proportion of decline in the 11 to 20 years since immigration group is a proxy for senior immigrants who have just met the residency requirement of the oas program in 2016?
Answer: [0.023]