Tempelhof-Schöneberg	Δ Rent cost of apartments (yearly)**	Inflation rate (yearly)*
2018	10.26	Base year	Base year
2019	10.52	2.53%	1.54%
2020	10	− 4.94%	− 0.28%
2021	10.29	2.90%	5.30%
2022	11.38	10.59%	8.57%

* The index employed to calculate inflation is the DECPI2005 index (Bundesamt). The annual inflation rate is calculated on an annual basis (31/12/year “t-1”—31/12/year “t”)

** The source of the data on the median rent of newly rented flats in Berlin (2018–2022) is CBRE Group