How much is Ethereum name service?

As a curious investor in the cryptocurrency space, I'm wondering about the pricing dynamics surrounding the Ethereum Name Service (ENS). Could you provide a brief overview of the current cost of ENS and its pricing mechanism? Specifically, I'm interested in understanding the base cost for registering a domain name on the ENS system, as well as any additional fees or factors that may influence the overall cost. Additionally, I'd appreciate any insights into the price fluctuations of ENS over time and how they correlate with market conditions. This information would help me make a more informed decision regarding my potential investment in the Ethereum Name Service.