Year	Percent change (Units)
2015	18.995
2016	5.533
2017	13.840
2018	4.788
2019	3.155
2020	-11.508
2021	-8.405
2022	13.705
2023	30.179
2024	5.646
2025	-5.606
2026	2.448
2027	1.858
2028	2.521
2029	2.524