How many days were schools closed in 2020 in Victoria, NSW, Queensland, Western Australia, Tasmania; Australia?

It is surprising that this information is not readily available. I need it for the cost-benefit analysis I’m working on. This is a placeholder post.  Will add info as I come across it. If anyone has info on an existing source of data, please let me know. AUSTRALIA-WIDE https://www.aph.gov.au/About_Parliame...   VICTORIA https://www.parliament.vic.gov.au/pub... NSW https://www.voanews.com/a/covid-19-pa...