Year

Average price

1994

1.077833

1995

1.156667

1996

1.2445

1997

1.245

1998

1.155583

1999

1.175167

2000

1.525333

2001

1.466167

2002

1.381833

2003

1.601083

2004

1.857917

2005

2.312167

2006

2.615083

2007

2.8455

2008

3.305083

2009

2.396667

2010

2.833583

2011

3.576417

2012

3.686167

2013

3.576417

2014

3.358667

2015

2.517167

2016

2.2525

2017

2.530333

2018

2.817333

2019

2.68575

2020

2.25975

2021

3.09125

2022

4.4436