Anyone else really frustrated that everyone around them is still on the lame jokes stage?

Hey, everyone around me has a terrible sense of humour. 99% of all jokes I hear are ually orientated, and for me, after 2 years of growing out of them, it simply is not funny anymore (and these jokes aren't even directed at me!). Is there any way to improve peoples' senses of humour. I'm totally sick of finding that all my laughs are sarcastic "hoo hoo hoo"s or tigger noises.