Ok, I was looking for that as well and I've found it finally!

Entry 30 days £7.69 / 10.99 € *
Standard 30 days £8.99 / 12.99 €
90 days £8.39 / 11.99 € *
180 days £7.69 / 10.99 € *

http://eu.finalfantasyxiv.com/pr/product/

Not sure why we have got the 30/90 and 180 days option. I thought it was 30/60/90.