It results in one of the lowest youth unemployment rates in Europe. This was significantly lower than the standard British rates of pay. The statistical data associated with higher death rates is impressive. This results in high solvent recovery rates and reduced air pollution. It has one of the lowest crime rates in California. Britain experienced social changes that resulted in increased literacy rates. Calvin allowed the charging of modest interest rates on loans. Germany has one of the lowest birth rates in the world. West Bengal has one of the lowest total fertility rates in India. Poverty was one of the factors listed as contributing to the high obesity rates. See compound interest for details on converting between different periodic interest rates. Bridgeport has one of the highest property tax rates in Connecticut. Somalia has one of the lowest HIV infection rates on the continent. The country has one of the highest urban growth rates in the world. Policy applications include estimating the effects of changing tariff rates and trade quotas.