A variability range of plus/minus one percentage point around this benchmark was added later, an addition which should not be interpreted as a target but as an acknowledgment of uncertainty stemming from the highly volatile nature of some components of the price index.
A code of values can help us to make decisions in situations where rules leave open some leeway and where the decision maker is not the homo oeconomicus but a person like you or me. A code of values will hopefully make ethical decisions easier for us. Values can only be generated through a combination of reflection, dialogue and information.