Fill null value with the previous row value when it's not filled with a value

[Kpham]

How to replace the null value with the first year. So row 2,3,4,...,12 should be 2020 and row 14 and 15 should be 2021. And row 1 should remain 2020 and row 13 2021

Thank you for your help!

[Anonymous · Accepted solution]

@Kpham 

Try this!

Transform Tab>fill>down