Use a computer, and log into Coinjar https://www.coinjar.com/au/
In the top navbar click on 'Settings'
On the left sidebar click on 'Reports & statements'
Click on 'Transaction history statements'
Click download 'Account Statement' CSV
Click Custom Date Range and select your entire trading history as the date range (from the day you opened the account, to 30 June 20xx)
Export the CSV file,
