Employee trend in a multi-year comparison

    | 2018| 2017| 2016| 2015| 2014

--------|-----|-----|-----|-----|----- Group |6,944|7,264|6,800|6,858|7,004 Strategic Business Unit Compression Technology |3,057|3,551|3,600|4,473|4,471 Strategic Business Unit Drive Technology |1,932|2,153|1,700|1,557|1,473 Division Engine |310|368|-|-|- Division Hydraulics |543|610|600|554|- Division Safety |324|283|-|-|- CES Corporate |163|-|-|-|- Corporate |316|299|300|274|265