Funny you should ask
I never wear trousers but recently tried to find a plain, A-line skirt. Not one of the many outlets online or in the large city an hour away, had a single skirt of that type.
Plenty of very short pelmets, hanky hems for the young and those who like them but not one single skirt.
The two major department stores actually had no skirts at all!
But heaps of jeans and trousers.
My elders' group is Maori and you are simply not allowed on a Marae for any official occasion if you are wearing trousers.
In fact, there is often a store of spare skirts kept by at the Marae to put on over trousers should someone be called on unexpectedly.
Nor is it regarded as respectable for Pasifika ladies, or older Indian ladies, to wear trousers.
So would you not think the stores would reflect that need?