This data was sourced from the Australian Institute of Marine Science, for more setail see http://www.aims.gov.au/
Note : Raw data has been adjusted to allow for the fact that original data was based on financial years and represented 1990.0 as 1 July 1989 (for example) - it now represents 1 Jan 1990
Data used to produce Figure MAR25 of SoE2016. See;
https://soe.environment.gov.au/theme/marine-environment/topic/2016/state-and-trends-marine-biodiversity-quality-habitats-and#marine-environment-figure-25