pre_text: Irish SIP The weighted average market value per ordinary share for Irish SIP options exercised in 2019 was 350.0p (2018: 387.5p). The SIP shares outstanding at 31 March 2018 have fully vested (2018: had a weighted average remaining vesting period of 0.1 years). Options exercised prior to the vesting date relate to those attributable to good leavers as defined by the scheme rules.
table: 2019 2018
table: Number Number
table: Outstanding at 1 April 35,922 44,431
table: Dividend shares awarded – 788
table: Forfeited – (7,950)
table: Exercised (30,506) (1,347)
table: Outstanding at 31 March 5,416 35,922
table: Vested and outstanding at 31 March 5,416 –
question: Analyse this data from a financial earnings document. What was the change in the amount Outstanding at 1 April in 2019 from 2018?