Year	Percent (Units)
2011	0.034
2012	0.014
2013	0.017
2014	0.016
2015	0.015
2016	0.009
2017	0.005
2018	0.004
2019	0.004
2020	0.004
2021	0.004
2022	0.004
2023	0.004
2024	0.004
2025	0.004
2026	0.004
2027	0.004
2028	0.004
2029	0.004