Update: I don’t know why this pollster isn’t publishing full crosstabs in their release, but they have released the correct figure to their Twitter. The 66%/71% shares are for those who would support him running; when it comes to actually giving their first primary choice, the larger pool of Republicans and independents indicate they’d vote this way in a 2024 primary:
https://mobile.twitter.com/BrendanBuck/status/1330908849562394625
So, among Republicans, it’s:
Trump 35%
Pence 19%
Trump Jr. 11%
Haley 7%
Cruz 6%
Rubio 4%
Ivanka Trump 2%
Tim Scott 2%
Carlson 2%
Sasse 1%
Cotton 1%
Hawley 1%