| Glass products | 2010 | 2015 | 2020 | |||
| in 1000 t | share | in 1000 t | share | in 1000 t | share | |
| Flat glass | 10,099 | 31% | 9641 | 29% | 10,773 | 30% |
| Container glass | 19,990 | 61% | 20,319 | 62% | 22,331 | 62% |
| Glass fiber | 1016 | 3% | 1080 | 3% | 1132 | 3% |
| Tableware & Crystal | 713 | 2% | 677 | 2% | 853 | 2% |
| Other glasses | 1004 | 3% | 1218 | 4% | 762 | 2% |
| TOTAL | 32,822 | 100% | 32,935 | 100% | 35,851 | 100% |