Year	Percent change (Units)
2015	7.154
2016	7.911
2017	-8.037
2018	-0.095
2019	-0.509
2020	28.282
2021	-45.273
2022	16.491
2023	29.306
2024	12.183
2025	12.013
2026	9.910
2027	7.986
2028	5.927
2029	4.401