If anyone else also wants to know this information it can be found at https://transactionfee.info/charts/bitcoin-script-total-signature-size/

I ended up asking @0xB10C on Twitter as he already had signature data on his website and added this new section :)
https://transactionfee.info/charts/bitcoin-script-total-signature-size/

At the time of writing does not include Schnorr sigs, but its not really an issue as there are something like 1k Taproot TXs don't the netowrk.