Is it ideal to register addresses for improved calldata efficiency

I just registered my address and it was number 65. If you look at the ArbAddressTable on ArbGoerli, there aren't many transactions to it. Is it ideal to register addresses for improved calldata efficiency https://goerli.arbiscan.io/address/0x0000000000000000000000000000000000000066

It is normal yes. Please follow this tutorial on how to set it up: https://github.com/OffchainLabs/arbitrum-tutorials/tree/master/packages/address-table