Road transport capacity grew from threefold to fourfold from 1500 to 1700. The ground state of D contains two hyperfine components, which are twofold and fourfold degenerate. Halving a linear dimension increases the magnetic field fourfold. Correspondingly and proportionally rarer are points of more than fourfold constituency. Premature birth increases the risk of SIDS death roughly fourfold. He found the ionization rate increased approximately fourfold over the rate at ground level. NSAIDs or COX-2 inhibitors increase the risk about fourfold. Cleveland had a fourfold increase in population. This resulted in a fourfold increase in the number of patients screened. The 1951 Boggs Act increased penalties fourfold, including mandatory penalties. From 2000 to 2007, revenues from rating structured financial instruments increased more than fourfold. The Pardes typology has some similarities to the contemporary Christian fourfold allegorical scheme. Population expanded fourfold since the Korean War. The number of districts was reduced about fourfold. Oxygen given at a high flow rate may accelerate resorption as much as fourfold.