year

k_t

year

k_t

year

k_t

1995

0.98479325

2003

0.77086595

2011

0.45249095

1996

0.98469093

2004

0.70996925

2012

0.44552309

1997

1.00000000

2005

0.66548162

2013

0.39046947

1998

0.96067694

2006

0.49316280

2014

0.39483149

1999

0.91298239

2007

0.47151582

2015

0.01595222

2000

0.91137558

2008

0.52402043

2016

0.09414175

2001

0.83687991

2009

0.32367418

2017

0.00000000

2002

0.83754272

2010

0.43880770