SEO thought for Monday Morning - is the GSC API a few days behind? Looking at my Looker Studio charts the data stops at the 22nd April - also SEOtesting for the same sites. Meanwhile over in the GSC dashboard itself they up to the 25th April.
In your SQL query, you are attempting to select and export the 'nr_access' data in descending order, but the implementation is incorrect, leading to unsorted output.