2020

8.0

1993

6.5

1963

6.9

2014

7.0

2017

6.6

1975

7.0

1989

5.8

2009

5.9

2013

6.1

2007

10.0

2012

5.7

2021

9.2

2016

6.1

2017

6.9

2022

6.5

1988

6.5

1964

7.4

2024

7.2

2003

6.2

1965

6.3