Brennwerte
| 2017 | 2016 | 2015 | |
|---|---|---|---|
| Januar | 11,191 | 11,304 | 11,266 |
| Februar | 11,273 | 11,271 | 11,281 |
| März | 11,284 | 11,218 | 11,236 |
| April | 11,259 | 11,258 | 11,158 |
| Mai | 11,182 | 11,141 | 11,176 |
| Juni | 11,199 | 11,136 | 11,071 |
| Juli | 11,156 | 11,025 | |
| August | 11,199 | 11,098 | |
| September | 11,171 | 11,197 | |
| Oktober | 11,242 | 11,271 | |
| November | 11,254 | 11,249 | |
| Dezember | 11,232 | 11,225 |