Weekly values as numbers along the bottom, values on the Y axis.
You should be able to find an interactive version of the chart here
Key:
Blissful≈ 10
Very happy ≈ 9
cheerful and in good spirits ≈ 8
reasonable spirits ≈ 7
felt calm ≈ 6
felt subdued 5
low spirits ≈ 4
sad/tearful ≈ 3
very low ≈ 2
life isn’t worth living ≈ 1