Year	Percent change (Units)
2015	-6.973
2016	4.564
2017	7.191
2018	18.463
2019	1.246
2020	-26.942
2021	8.354
2022	21.997
2023	0.260
2024	5.666
2025	3.795
2026	2.586
2027	3.123
2028	3.232
2029	3.165