Entwicklung der Abfragequote zu zinsvergünstigten Darlehen bzw. Zuschüssen seit Beginn des CO2-Gebäudesanierungsprogramms (G-SIG: 16051927)

This question asks about the uptake rate of subsidized loans and grants offered under Germany's CO2 building renovation program since its inception. It seeks to understand how many property owners have utilized these financial incentives for energy-efficient building upgrades.