Based on the provided forecast data, here are the year-on-year variations in percentage:
- 2024-2025: 11.05%
- 2025-2026: 9.84%
- 2026-2027: 8.85%
- 2027-2028: 8.04%
The Compound Annual Growth Rate (CAGR) over the five-year period from 2024 to 2028 is 9.18%.
As Finland continues to expand its production of potassium sulphate, future trends to monitor include advancements in production technology, changes in global demand for potassium products, and potential environmental regulations that might impact production capabilities and efficiency.