The verdict:

From 1999 to 2021, nationalist MSPs were the authors of most (50.4%) mentions of Scottish independence...

BUT unionist MSPs were responsible for most mentions (53%) between 2016-21, despite being a minority at Holyrood.

@bnhw_ has more: https://t.co/CITmX2ulMK pic.twitter.com/61meauptgR

— Britain Elects (@BritainElects) April 16, 2021