Year	cubic meters
2012	113.76631579617991
2013	111.13980987979562
2014	108.09862756631209
2015	104.7911070494078
2016	101.58170588647447
2017	98.32883265878115
2018	95.24022907275136
2019	92.52385721875645
2020	90.00801656399527