According to the Bureau of Labor Statistics, the Consumer Price Index (CPI), which measures the average change in prices over time for a basket of goods and services purchased by consumers, increased by 9.9% over the past 4 years from November 2018 to November 2022. This means that on average, the cost of living has increased by 9.9% during this period.
Please note that the rate of inflation can vary over time and that different goods and services may experience different price changes. Additionally, the impact of inflation can be felt differently by different individuals and households based on their specific spending patterns and incomes.