1995

5.2

2005

6.7

1997

5.0

2021

1.5

1985

6.0

1999

0.0

2005

5.0

1996

5.1

1979

5.3

2009

5.0

2023

7.0

2014

6.0

1995

5.5

2011

2.9

2015

4.0

2016

5.3

2018

7.2

2024

7.8

2013

5.0

2014

4.8