Month,Price 1997-01,3.45 1997-02,2.15 1997-03,1.89 1997-04,2.03 1997-05,2.25 1997-06,2.2 1997-07,2.19 1997-08,2.49 1997-09,2.88 1997-10,3.07 1997-11,3.01 1997-12,2.35 1998-01,2.09 1998-02,2.23 1998-03,2.24 1998-04,2.43 1998-05,2.14 1998-06,2.17 1998-07,2.17 1998-08,1.85 1998-09,2.02 1998-10,1.91 1998-11,2.12 1998-12,1.72 1999-01,1.85 1999-02,1.77 1999-03,1.79 1999-04,2.15 1999-05,2.26 1999-06,2.3 1999-07,2.31 1999-08,2.8 1999-09,2.55 1999-10,2.73 1999-11,2.37 1999-12,2.36 2000-01,2.42 2000-02,2.66 2000-03,2.79 2000-04,3.04 2000-05,3.59 2000-06,4.29 2000-07,3.99 2000-08,4.43 2000-09,5.06 2000-10,5.02 2000-11,5.52 2000-12,8.9 2001-01,8.17 2001-02,5.61 2001-03,5.23 2001-04,5.19 2001-05,4.19 2001-06,3.72 2001-07,3.11 2001-08,2.97 2001-09,2.19 2001-10,2.46 2001-11,2.34 2001-12,2.3 2002-01,2.32 2002-02,2.32 2002-03,3.03 2002-04,3.43 2002-05,3.5 2002-06,3.26 2002-07,2.99 2002-08,3.09 2002-09,3.55 2002-10,4.13 2002-11,4.04 2002-12,4.74 2003-01,5.43 2003-02,7.71 2003-03,5.93 2003-04,5.26 2003-05,5.81 2003-06,5.82 2003-07,5.03 2003-08,4.99 2003-09,4.62 2003-10,4.63 2003-11,4.47 2003-12,6.13 2004-01,6.14 2004-02,5.37 2004-03,5.39 2004-04,5.71 2004-05,6.33 2004-06,6.27 2004-07,5.93 2004-08,5.41 2004-09,5.15 2004-10,6.35 2004-11,6.17 2004-12,6.58 2005-01,6.15 2005-02,6.14 2005-03,6.96 2005-04,7.16 2005-05,6.47 2005-06,7.18 2005-07,7.63 2005-08,9.53 2005-09,11.75 2005-10,13.42 2005-11,10.3 2005-12,13.05 2006-01,8.69 2006-02,7.54 2006-03,6.89 2006-04,7.16 2006-05,6.25 2006-06,6.21 2006-07,6.17 2006-08,7.14 2006-09,4.9 2006-10,5.85 2006-11,7.41 2006-12,6.73 2007-01,6.55 2007-02,8.0 2007-03,7.11 2007-04,7.6 2007-05,7.64 2007-06,7.35 2007-07,6.22 2007-08,6.22 2007-09,6.08 2007-10,6.74 2007-11,7.1 2007-12,7.11 2008-01,7.99 2008-02,8.54 2008-03,9.41 2008-04,10.18 2008-05,11.27 2008-06,12.69 2008-07,11.09 2008-08,8.26 2008-09,7.67 2008-10,6.74 2008-11,6.68 2008-12,5.82 2009-01,5.24 2009-02,4.52 2009-03,3.96 2009-04,3.5 2009-05,3.83 2009-06,3.8 2009-07,3.38 2009-08,3.14 2009-09,2.99 2009-10,4.01 2009-11,3.66 2009-12,5.35 2010-01,5.83 2010-02,5.32 2010-03,4.29 2010-04,4.03 2010-05,4.14 2010-06,4.8 2010-07,4.63 2010-08,4.32 2010-09,3.89 2010-10,3.43 2010-11,3.71 2010-12,4.25 2011-01,4.49 2011-02,4.09 2011-03,3.97 2011-04,4.24 2011-05,4.31 2011-06,4.54 2011-07,4.42 2011-08,4.06 2011-09,3.9 2011-10,3.57 2011-11,3.24 2011-12,3.17 2012-01,2.67 2012-02,2.51 2012-03,2.17 2012-04,1.95 2012-05,2.43 2012-06,2.46 2012-07,2.95 2012-08,2.84 2012-09,2.85 2012-10,3.32 2012-11,3.54 2012-12,3.34 2013-01,3.33 2013-02,3.33 2013-03,3.81 2013-04,4.17 2013-05,4.04 2013-06,3.83 2013-07,3.62 2013-08,3.43 2013-09,3.62 2013-10,3.68 2013-11,3.64 2013-12,4.24 2014-01,4.71 2014-02,6.0 2014-03,4.9 2014-04,4.66 2014-05,4.58 2014-06,4.59 2014-07,4.05 2014-08,3.91 2014-09,3.92 2014-10,3.78 2014-11,4.12 2014-12,3.48 2015-01,2.99 2015-02,2.87 2015-03,2.83 2015-04,2.61 2015-05,2.85 2015-06,2.78 2015-07,2.84 2015-08,2.77 2015-09,2.66 2015-10,2.34 2015-11,2.09 2015-12,1.93 2016-01,2.28 2016-02,1.99 2016-03,1.73 2016-04,1.92 2016-05,1.92 2016-06,2.59 2016-07,2.82 2016-08,2.82 2016-09,2.99 2016-10,2.98 2016-11,2.55 2016-12,3.59 2017-01,3.3 2017-02,2.85 2017-03,2.88 2017-04,3.1 2017-05,3.15 2017-06,2.98 2017-07,2.98 2017-08,2.9 2017-09,2.98 2017-10,2.88 2017-11,3.01 2017-12,2.82 2018-01,3.87 2018-02,2.67 2018-03,2.69 2018-04,2.8 2018-05,2.8 2018-06,2.97 2018-07,2.83 2018-08,2.96 2018-09,3.0 2018-10,3.28 2018-11,4.09 2018-12,4.04 2019-01,3.11 2019-02,2.69 2019-03,2.95 2019-04,2.65 2019-05,2.64 2019-06,2.4 2019-07,2.37 2019-08,2.22 2019-09,2.56 2019-10,2.33 2019-11,2.65 2019-12,2.22 2020-01,2.02 2020-02,1.91 2020-03,1.79 2020-04,1.74 2020-05,1.75 2020-06,1.63 2020-07,1.76 2020-08,2.3 2020-09,1.92 2020-10,2.39 2020-11,2.61 2020-12,2.58 2021-01,2.71 2021-02,5.35 2021-03,2.62 2021-04,2.66 2021-05,2.91 2021-06,3.26 2021-07,3.84 2021-08,4.07 2021-09,5.16 2021-10,5.51 2021-11,5.05 2021-12,3.76 2022-01,4.38 2022-02,4.69 2022-03,4.9 2022-04,6.6 2022-05,8.14 2022-06,7.7 2022-07,7.28 2022-08,8.81 2022-09,7.88 2022-10,5.66 2022-11,5.45 2022-12,5.53 2023-01,3.27 2023-02,2.38 2023-03,2.31 2023-04,2.16 2023-05,2.15 2023-06,2.18 2023-07,2.55 2023-08,2.58 2023-09,2.64 2023-10,2.98 2023-11,2.71 2023-12,2.52 2024-01,3.18 2024-02,1.72 2024-03,1.49 2024-04,1.6 2024-05,2.12 2024-06,2.54 2024-07,2.07 2024-08,1.99 2024-09,2.28 2024-10,2.2 2024-11,2.12 2024-12,3.01 2025-01,4.13 2025-02,4.19 2025-03,4.12 2025-04,3.42 2025-05,3.12 2025-06,3.02 2025-07,3.2 2025-08,2.91 2025-09,2.97 2025-10,3.19 2025-11,3.79 2025-12,4.26 2026-01,7.72 2026-02,3.62 2026-03,3.04 2026-04,2.77 2026-05,2.94 2026-06,3.15 2026-07,2.89 2026-08,2.78 2026-09,2.95 2026-10,2.99