2019

6.6

1989

5.1

1996

6.5

1986

6.2

1978

5.9

2023

6.2

1998

6.0

1961

8.4

1953

7.2

2011

6.6

1985

6.7

1993

4.6

2017

7.3

1987

5.5

2010

7.0

6.8

2022

5.6

2012

5.8

2014

8.0

2021

6.9