The data would suggest that the decisions come at the pension point, and at either 20 years, or now 25 years, there is a higher exit of women at that point when they are eligible to draw a pension. Individuals serve for a period of time, and that, of course, becomes a strong motivator to retain in service, but at that point individuals are making choices about what they want to do.
On October 18th, 2018. See this statement in context.