2020

5.4

1998

5.4

2005

4.5

2007

7.5

1994

5.3

1989

6.8

2003

5.7

1999

6.0

2015

5.1

1995

5.0

1997

5.2

2021

7.0

1985

6.2

2022

7.0

1997

5.0

1993

6.1

2014

4.2

2017

5.9

2014

6.7

1955

6.9