Sources:  http://www.abs.gov.au/ausstats/abs@.nsf/Previousproducts/6333.0Main%20Features5August%202016)  https://ec.europa.eu/eurostat/statistics-explained/index.php?title=File:Minimum_wages,_January_2009_and_January_2019_(EUR_per_month_and_%25).png / https://wageindicator.org/salary/minimum-wage/minimum-wages-news/luxembourgs-minimum-wage-rise-approved-for-2019-december-20-2018)  Australian Government Submission,
Annual Wage Review 2018, 13 March 2018, Page 12, Chart 2.1  ABS, Australian Labour Market Statistics, cat. no. 6105.0 (estimates for 1992 to 2004), ABS, Characteristics of Employment, cat. no. 6333.0,(estimates for 2005 to 2016), RMIT ABC Fact check: Has the rate of casualisation in the workforce remained steady for the last 20 years)  Australias casual workers - Household Income and Labour Dynamics in Australia (HILDA) 2015, cited in Commonwealth Parliamentary Library, Characteristics and Use of Casual Employment in Australia, Jan 2018 *6NCVER.
ABS, Australian Labour Market Statistics, cat no. 6105.0 (estimates for 1996 to 2004), ABS, Characteristics of Employment, cat. No. 6333.0 (estimates from 2005).