Table:
Oldest third (n = 2219)	Middle third (n = 2160)	Youngest third (n = 2373)
Year of birth
1984 cohort	45.1	48.1	47.3
1985 cohort	50.8	49.9	49.0
Gender
Female	49.9	51.9	49.9
Ethnicity
Minority groups	22.8	24.4	25.4
Parental educational level
Higher university	16.9	17.7	17.8
Lower university	26.6	26.0	27.9
Secondary	37.4	37.9	36.5
Missing	19.0	18.5	17.8
Social support
Family low	43.8	41.5	41.6
Class low	36.5	36.0	35.5
Teachers low	41.5	41.4	39.2
Friends low	43.1	41.5	40.9

Transform the figure into Markdown format.

|  | Oldest third (n = 2219) | Middle third (n = 2160) | Youngest third (n = 2373) | 
 | --- | --- | --- | --- | 
 | Year of birth |  |  |  | 
 | 1984 cohort | 45.1 | 48.1 | 47.3 | 
 | 1985 cohort | 50.8 | 49.9 | 49.0 | 
 | Gender |  |  |  | 
 | Female | 49.9 | 51.9 | 49.9 | 
 | Ethnicity |  |  |  | 
 | Minority groups | 22.8 | 24.4 | 25.4 | 
 | Parental educational level |  |  |  | 
 | Higher university | 16.9 | 17.7 | 17.8 | 
 | Lower university | 26.6 | 26.0 | 27.9 | 
 | Secondary | 37.4 | 37.9 | 36.5 | 
 | Missing | 19.0 | 18.5 | 17.8 | 
 | Social support |  |  |  | 
 | Family low | 43.8 | 41.5 | 41.6 | 
 | Class low | 36.5 | 36.0 | 35.5 | 
 | Teachers low | 41.5 | 41.4 | 39.2 | 
 | Friends low | 43.1 | 41.5 | 40.9 |