Year	Percent change (Units)
2015	-20.569
2016	-23.733
2017	-28.593
2018	10.064
2019	21.062
2020	-24.720
2021	20.814
2022	54.941
2023	12.022
2024	-3.497
2025	4.840
2026	3.840
2027	4.021
2028	3.766
2029	3.780