Does anyone understand ucas statistics, is it from the u.k, it got gender data

Can someone tell me what are the statistics about and tell me how reliable they are, is there reason for concern ???????

2010: male: 306,905-female: 390,445 2011: male: 307,065-female: 393,095 2012: male: 285,070-female: 368,570 2018: male: 296,765-female: 398,000 2019: male: 299,805-female: 406,630

What is this about ?

"UCAS Undergraduate sector-level end of cycle data resources 2019"

Link

https://www.ucas.com/data-and-analysis/undergraduate-statistics-and-reports/ucas-undergraduate-sector-level-end-cycle-data-resources-2019