The statistics disagree if you remember to compare per capita or per GDP. (Finland looks bad only if you include the refugee costs in a per GDP calculation - not many Ukrainians wanted to travel to Finland so far.) https://www.ifw-kiel.de/topics/war-against-ukraine/ukraine-s...
Also, one should take into account that the amount of unnecessary military hardware lying around is not the same in a country that is surrounded by Nato members vs a country that shares over thousand kilometers of border with the unhinged neighbour. Further, you might not be strategically able to reveal in public how much of your stock that acts as a deterrent you have given away while the war is going on.