| Operating results | — | — | — | — | — | — |
| Net sales | 0.56a | 0.61a | 0.6a | 0.51a | 0.47a | 0.44a |
| Gross profit | 0.12a | 0.12a | 0.11a | 0.09a | 0.09a | 0.09a |
| Operating income | 0.07a | 0.06a | 0.06a | 0.05a | 0.04a | 0.04a |
| Income before income taxes | 0.07a | 0.06a | 0.06a | 0.05a | 0.05a | 0.04a |
| Net income attributable to shareholders of the parent company | 0.06a | 0.05a | 0.04a | 0.04a | 0.03a | 0.03a |