3.5 |
3.3 |
3.9 |
2.6 |
2.9 | |
N° observations |
157 |
127 |
30 |
157 |
127 |
Source: Drawn up by author.
2.0
30
18
3.5 |
3.3 |
3.9 |
2.6 |
2.9 | |
N° observations |
157 |
127 |
30 |
157 |
127 |
Source: Drawn up by author.
2.0
30
18