Their ranking of the 22 films:
22. Porco Rosso (1992)
21. My Neighbours the Yamadas (1999)
20. Only Yesterday (1991)
19. From Up on Poppy Hill (2011)
18. Arrietty (2010)
17. Pom Poko (1994)
16. When Marnie Was There (2014)
15. Ocean Waves (1993)
14. The Tale of the Princess Kaguya (2013)
13. The Wind Rises (2013)
12. The Cat Returns (2002)
11. Nausicaa of the Valley of the Wind (1984)
10. Whisper of the Heart (1995)
9. Ponyo (2008)
8. Tales from Earthsea (2006)
7. Grave of the Fireflies (1988)
6. Spirited Away (2001)
5. Laputa: Castle in the Sky (1986)
4. My Neighbour Totoro (1988)
3. Kiki's Delivery Service (1989)
2. Howl's Moving Castle (2004)
1. Princess Mononoke (1997)
Personally, I'd have Nausicaa, Laputa and Princess Mononoke in my top three, with Kaguya in the top ten, instead of the Earthsea adaptation.