Given the data, the year-on-year variations are: 2025 (+0.76%), 2026 (+0.86%), 2027 (+0.75%), 2028 (+0.74%). The compound annual growth rate (CAGR) from 2023 to 2028 is approximately 0.78%. This indicates a steady but moderate growth in the rye market size volume in Germany.
Future trends to watch include potential shifts in consumer preferences towards organic and sustainable farming practices, advancements in agricultural technology, and possible impacts from climate change on rye production. These factors could influence both the demand and supply dynamics in the market.