Are these the 10 "happiest songs" of all time??

A survey has named the 10 Happiest songs of all time. What? Happy Birthday didn't make the list?

1. Mr. Blue Sky. ELO
2. Don't Stop Me Now Queen
3. Stayin Alive The Bee Gees
4. Dancing Queen ABBA
5. Livin on a Prayer Bon Jovi
6. Come on Eileen Dexy's Midnight Runners
7. You Can Call me Al Paul Simon
8. Walking on Sunshine Katrina and the Waves
9. Just Can't Get Enough Depeche Mode
10. Never Gonna Give You Up Rick Astley