Table:
|  | 2019 | 2018 |
| --- | --- | --- |
|  | Number | Number |
| Outstanding at 1 April | 35,922 | 44,431 |
| Dividend shares awarded | – | 788 |
| Forfeited | – | (7,950) |
| Exercised | (30,506) | (1,347) |
| Outstanding at 31 March | 5,416 | 35,922 |
| Vested and outstanding at 31 March | 5,416 | – |
Paragraphs:
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.
Question:
For which years was the amount Outstanding at 31 March calculated?
Answer: 2019, 2018