Based on the data provided, the annual import values (in Billion Kilograms) and their respective year-on-year variations are as follows: The Compound Annual Growth Rate (CAGR) over the next five years is approximately 1.99%. Future trends to watch for include the impact of South Korea’s energy transition policies, global market fluctuations, and advancements in alternative energy sources. These factors could significantly influence the import volumes of bituminous coal in the coming years.