Utilize the input text as a context reference, choose the right relationship between 'halved' and 'half' from the options.
Options: owner of, business division, director/manager, product/material produced

So the metrics, facts and figures, you see here, the revenues, one – more than €1 billion, and – more than €2 billion in halved – in the first half of this year compared to the first half of last year.
product/material produced