Fig. 2From: Increasing emergency number utilisation is not driven by low-acuity calls: an observational study of 1.5 million emergency calls (2018–2021) from BerlinTemporal development from 2018 to 2021 of A the number of emergency calls and B the population of Berlin. Source: A Data of the EMS Berlin and B data of the Office for Statistics Berlin-BrandenburgBack to article page