| 2011 | 2010 | 2009 | 2008 | 2007 | |
| Employees covered by collective bargaining agreements | 55 1), 2) | 57 | 62 | 63 | 67 |
Notes:
1) Data covering 47 production facilities, 36 warehouses and 40 offices corresponding to 45,036 employees.
2) 23,505 out 34,280 employees, (69%) at 47 production facilities were covered by collective bargaining agreements.