Year	Percent change (Units)
2015	12.928
2016	6.230
2017	-9.417
2018	7.731
2019	1.805
2020	-32.865
2021	-27.282
2022	72.351
2023	26.667
2024	13.024
2025	7.194
2026	6.253
2027	4.080
2028	3.259
2029	2.586