Annual Returns (%) Otter Tail Corporation
| Year | Return |
|---|---|
| 1990 | 0 |
| 1991 | 35.27 |
| 1992 | 23.21 |
| 1993 | 14.2 |
| 1994 | 41.37 |
| 1995 | 15.8 |
| 1996 | -5.27 |
| 1997 | 24.88 |
| 1998 | 10.88 |
| 1999 | -1.18 |
| 2000 | 55.26 |
| 2001 | 9.09 |
| 2002 | -4.24 |
| 2003 | 3.54 |
| 2004 | -0.36 |
| 2005 | 18.44 |
| 2006 | 11.83 |
| 2007 | 14.89 |
| 2008 | -29.92 |
| 2009 | 12.33 |
| 2010 | -3.76 |
| 2011 | 3.29 |
| 2012 | 19.63 |
| 2013 | 21.98 |
| 2014 | 10.24 |
| 2015 | -10.15 |
| 2016 | 59.39 |
| 2017 | 12.43 |
| 2018 | 15.04 |
| 2019 | 3.34 |
| 2020 | -16.94 |
| 2021 | 67.61 |
| 2022 | -17.8 |
| 2023 | 44.73 |
| 2024 | -13.12 |
| 2025 | -0.31 |