Human happiness CANNOT be meausured and graphed. It's too elusive for that.

If you wanna statistics though, there is one about how people today have much less people to confide in than hunderd years ago. Telling, isn't it?

And no, I don't have no damn obligation to use damn statistics in philosophical and abstract conversation. Data can be interpreted in many ways, that is the point of post-modernism (like you just expressed in your paragraph about suicides, eh).

Maybe you SHOULD try to let go of the data and stastics for a bit and realize it's not all there's to life philosophy. Or would you graph Kafka and Buddha?