Via Office of the Chief Economist:
Australian resource exports appear likely to hold up in 2019–20, in the face of volatile commodity markets. Our new projection of $282 billion in exports in 2019–20 has shaved just $3 billion from our June 2019 Resources and Energy Quarterly projection. Export earnings in 2020–21 have been revised down by a similar amount, to $258 billion. The decline will mainly reflect the impact of the steady return of Brazilian iron ore production to normal, following the fallout from the Brumadinho mine tailings dam collapse. of this phenomenon.
Here’s the components: