+--------------------+------+
| moyenne            | year |
+--------------------+------+
| 295.41740632233797 | 2023 |
| 294.68214232057005 | 2022 |
| 293.63114787450905 | 2020 |
| 293.51246505110230 | 2011 |
| 293.50643862371580 | 2019 |
| 293.36479492187500 | 2003 |
| 293.14726035758240 | 2015 |
| 293.09200991117035 | 1997 |
| 293.04230826241627 | 2017 |
| 293.00945350960507 | 2014 |
| 292.96890484535530 | 2018 |
| 292.79316969908000 | 2016 |
| 292.76263712788676 | 2006 |
| 292.70424645828876 | 2009 |
| 292.63087346645000 | 2012 |
| 292.46510952121610 | 2021 |
| 292.31098612800974 | 2000 |
| 292.17493118913205 | 2002 |
| 292.06756533270016 | 1999 |
| 291.98479463760170 | 2001 |
| 291.94740140732020 | 1998 |
| 291.92568361042630 | 2008 |
| 291.70764960617316 | 2004 |
| 291.66698625120400 | 2007 |
| 291.51933710087730 | 2005 |
| 291.48287654510915 | 2013 |
| 291.46813201904297 | 2010 |
| 291.29470349921553 | 1996 |
+--------------------+------+
28 rows in set (3,055 sec)