The following is information for the three preceding years concerning the percentage contribution of each business segment's products and services to consolidated net sales from continuing operations:
| Years Ended December 31, | |||
| 2011 | 2010 | 2009 | |
| Industrial Distribution | 63.5 % | 63.1 % | 56.3 % |
| Aerospace | 36.5 % | 36.9 % | 43.7 % |
| Total | 100.0 % | 100.0 % | 100.0 % |