Year	Percent change (Units)
2015	-5.872
2016	-4.917
2017	2.752
2018	8.036
2019	2.156
2020	-33.834
2021	18.301
2022	22.048
2023	4.831
2024	-28.508
2025	51.053
2026	2.637
2027	2.784
2028	2.898
2029	2.870