The price wasn't too bad for me. I didn't have a very high income, but I paid for my ISDN myself.
But I do remember the improvement after switching to DSL, even if this was the early days of DSL that didn't work thaaat great, it was still way better than analog modem or ISDN.
It went up BY 18%, not up TO 18%. This says nothing about how bad it is, only that it's getting worse.
It went up TO 0.23%.