Fix Austrian population mortality, fix plotMortalityTables (axes labels not overridable)

R/plotMortalityTables.R

...raw/Austria/Austria_JaehrlicheSterbetafeln_1947-2022.xlsx

...a/Austria_JaehrlicheSterbetafeln_Geglättet_2016-2022.xlsx

data-raw/Austria/Geglaettete_Sterbetafeln_2016_2022.ods

data-raw/Austria_Population_Observed_prepare.R

inst/extdata/Austria_Population_Observation_F.csv

inst/extdata/Austria_Population_Observation_M.csv

inst/extdata/Austria_Population_Observation_U.csv

inst/extdata/Austria_Population_YearlyGraduated.csv

inst/extdata/MortalityTables_Austria_PopulationObserved.R