Year	Percent change (Units)
2015	15.895
2016	14.879
2017	-3.011
2018	1.712
2019	-0.790
2020	-16.074
2021	-17.801
2022	29.651
2023	2.330
2024	8.959
2025	8.027
2026	-9.030
2027	-0.990
2028	-4.230
2029	1.609