pre_text: The number of options outstanding and exercisable as at 31 March was as follows: The weighted average market value per ordinary share for PSP options exercised in 2019 was 445.0p (2018: n/a). The PSP awards outstanding at 31 March 2019 have a weighted average remaining vesting period of 0.8 years (2018: 1.2 years) and a weighted average contractual life of 7.6 years (2018: 8.2 years).
table: 2019 2018
table: Number Number
table: Outstanding at 1 April 3,104,563 2,682,738
table: Options granted in the year 452,695 1,188,149
table: Dividend shares awarded 9,749 –
table: Options forfeited in the year (105,213) (766,324)
table: Options exercised in the year (483,316) –
table: Outstanding at 31 March 2.978,478 3,104,563
table: Exercisable at 31 March 721,269 –
question: Analyse this data from a financial earnings document. What was the change in the amount Outstanding at 1 April in 2019 from 2018?