1997

6.1

1986

0.0

1985

2.0

1969

3.0

1989

4.5

2019

6.5

2009

6.6

2016

4.5

2007

4.3

2019

0.0

2005

6.3

1980

5.7

2001

7.0

2013

6.7

2017

7.2

1985

5.8

1999

6.5

2022

5.5

2011

3.1

2001

5.1