In total, 1,996 gardaí have left for different reasons, including retirements, resignations and dismissals.
During the same period, however, new Gardai joining up have numbered just 300, 100 in 2015 and 200 in 2014.
Last year saw the first intake of new personnel since the recruitment embargo in 2010. However, as 200 were taken on, 291 were lost.
In the five previous years, 4,391 came in and 2,271 left.
Overall, the number of gardaí in the greater Dublin area has decreased by 15% over the past five years.
At the same time, the latest reported crime figures show burglary rates across Dublin jumped by 17% in 2014, while vehicle-related crime rose by over 16% during the same period.