translate English to French: - Statistically-significant decrease of -1 to -3% per year; or non-significant decrease of -3% per year; or well-documented modest decrease without survey data; or poorly-documented major decrease.
- Baisse statistiquement significative de â€" 1 à â€" 3 %/annÃ©e; ou baisse non significative de â€" 3%/annÃ©e; ou faible hausse bien documentÃ©e sans donnÃ©es d'enquête; ou forte baisse peu documentÃ©e.