2005

6.2

2015

6.5

2016

7.7

2021

7.1

2003

2.0

1999

6.3

2002

7.9

1993

6.0

2009

7.3

1995

7.1

2011

8.8

1992

6.2

1994

6.4

2025

0.0

2014

8.2

2023

5.0

1994

6.0

2017

0.0

2021

0.0

1972

5.8

2010

0.0

2008

7.3