This year's general election, after all the votes counted, has a
Sainte-Laguë index of 48.36, and a
Gallagher index of 23.75.
This makes the (dis)proportionality worse than HUNGARY's (my home) FPTP component (SLI = 36.96) – a component of the mixed system which allows our ruling party to get 2/3 supermajorities each time, every time, with sometimes less than 50% of the votes, and which ultimately transformed our country to an "electoral autocracy"
You guys need electoral reform desperately. And do it before someone cheats with the current rules deliberately.
(PS: I calculated the electoral indices using the python package voting)