pre_text: 8. Marketable Securities The cost, gross unrealized gains, gross unrealized losses and fair market value of available-for-sale securities at April 30, 2019 and 2018, respectively, were as follows (in thousands):
table: April 30, 2019
table: Cost Gross Unrealized Gains Gross Unrealized Losses Fair Market Value
table: Fixed income securities $8,152 $71 $(24) $8,199
table: April 30, 2018
table: Cost Gross Unrealized Gains Gross Unrealized Losses Fair Market Value
table: Fixed income securities $6,274 $10 $(135) $6,149
question: Analyse this data from a financial earnings document. What is the average fair market value for 2018 and 2019?