That may be due to the pairing agreements, see <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Pair_(parliamentary_convention)" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Pair_(parliamentary_convention...</a><p>They generally benefit the smaller parties more than the larger (since any missing member has a larger impact there), so it&#x27;s in their interest to uphold these agreements.