Of course, growth in the overall population and the workforce means the change is much more significant in percentage terms: a drop from 4.6% to 3.9%. Which I guess shows the problems of tracking this with absolute numbers.
(The December quarter stats, released next year, will cover the election period and interregnum, so I'm not really wanting to attribute it to either party. I'll start tracking National's tally with the 2024 March quarter).