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Annual Total Returns- Energy Services Fund (Investor Class and Class H) [BarChart] - Investor Class and Class H - Energy Services Fund - Investor Class
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
Total (8.96%) 0.31% 24.29% (29.35%) (31.77%) 23.58% (18.86%) (45.57%) (0.41%) (36.94%)