1972

6.6

2013

6.1

1980

5.9

1999

8.0

1953

4.8

1972

6.3

1986

5.8

2018

6.3

2024

6.0

2000

6.7

2020

6.7

2024

5.9

1963

6.9

2019

6.5

2021

7.5

2024

7.2

2022

7.1

2016

6.1

2008

6.7

2014

5.8