1953

7.2

1985

6.1

1994

6.6

1966

6.2

1999

6.8

2008

5.4

2015

6.4

1993

6.5

2018

6.3

1972

6.6

1993

6.5

2019

6.7

1983

7.5

6.6

2016

6.1

1997

7.1

2017

6.6

2023

6.6

1923

6.3

2022

7.3