Year	201820172016201520142013201220112010200920082007
Country	All	BhutanEthiopiaIndiaItalyKenyaRwandaTanzaniaUnited Kingdom
Disease	Stem rustLeaf rustYellow rust
Severity	All	N/ANone (0)Low (less than 20 %)Moderate (20 - 40 %)High (more than 40 %)
Growth stage	All	TilleringBootHeadingFloweringMilkDoughMaturityN/A
Legend	None (0) Low (< 20 %) Moderate (20 - 40 %) High (> 40 %) N/A

Number of observations: 18