Yeah I googled it quickly and that gives me prices around 100 a year. Random example from NBC News below. Perhaps Anja's initial costs are lower?
"Private cord blood banking can be expensive. Depending on the bank, current promotions and whether you're storing cord blood, cord tissue or both, initial processing fees can run from roughly $500 to $2,500, with annual storage fees of $100 to $300 each year thereafter." https://www.nbcnews.com/business/consumer/cord-blood-banking...