Year	Percent change (Units)
2015	-0.130
2016	1.910
2017	-6.989
2018	2.675
2019	13.924
2020	-50.103
2021	17.940
2022	56.803
2023	9.393
2024	10.980
2025	4.738
2026	3.803
2027	3.728
2028	3.571
2029	3.656