What is the relationship between a miner's hashrate and the getblocktemplate (GBT) request rate?

^{(The question here, "How does the rate of getwork requests correlate with the hashrate of a miner?," discusses getwork, but that's outdated.)}

What is the relationship between a miner's hashrate and the getblocktemplate (GBT) request rate?

^{(The question here, "How does the rate of getwork requests correlate with the hashrate of a miner?," discusses getwork, but that's outdated.)}