_id	type	annee	valeur
1	observation	2010	479.0
2	observation	2011	491.0
3	observation	2012	491.0
4	observation	2013	495.0
5	observation	2014	505.0
6	observation	2015	490.0
7	observation	2016	487.0
8	observation	2017	483.0
9	observation	2018	487.0
10	observation	2019	469.0
11	observation	2020	461.0
12	observation	2021	464.0
13	observation	2022	438.0
14	observation	2023	429.0
15	observation	2024	418.0