Symptom Level     Spatial Coverage     Frequency     Grade     Value   Losses observed High Not applicable High 1 Losses observed Low Not applicable Low 0.25 Losses observed Moderate Not applicable Moderate 0.5 Losses observed Unknown Not applicable Flag D 0.25 No losses High Not applicable Desirable condition 0 No losses Not applicable Not applicable Not applicable 0 Not applicable Not applicable Not applicable Not applicable -1 SAV increase Any spatial coverage Not applicable Desirable condition 0