Based on the provided data, the number of persons employed in the refined petroleum products sector in Switzerland shows a consistent decline from 2024 to 2028. In 2024, employment is forecasted at 475 employees, decreasing to 370 by 2028. This represents a year-on-year decline of approximately 5-6% across the given years.

Examining the period from 2023 to 2024, the sector is experiencing a reduction trend, highlighted by a drop in employment figures. The Compound Annual Growth Rate (CAGR) over this five-year period reflects a steady decrease, averaging around -5.9% per year.

Future trends to watch for:

Technological advancements and automation may lead to further reductions in employment.
Global shifts towards renewable energy sources could accelerate the decline in this sector.
Policy changes or economic fluctuations may impact employment levels.