Mortality Rates and Life Expectancy - Knock knock: is anyone interested in what has been going on for a decade?

"There were 581,298 registered deaths in 2023. The figure shows the fluctuations over the last 180 years. It is easy to see the 1918 pandemic and the start of the war, but some past pandemics (1957, 1968 and 2009) didn't give rise to many fluctuations in death rates."