No, it's the 12 months to the end of the last quarter.
The title of the table you reference makes it clear they're reporting TTM numbers.
TTM = Trailing Twelve Months
In general, the frequency of reporting doesn't have to match the measurement period. For example, inflation is often reported monthly, even though it measures the change in the level of prices since a year ago.
Comments
No, that's 4bn net profit for the last quarter.
The table below the chart makes it abundantly clear that they are reporting quarterly numbers.
No, it's the 12 months to the end of the last quarter.
The title of the table you reference makes it clear they're reporting TTM numbers.
TTM = Trailing Twelve Months
In general, the frequency of reporting doesn't have to match the measurement period. For example, inflation is often reported monthly, even though it measures the change in the level of prices since a year ago.