2021

6.8

2000

6.7

2019

8.1

1995

7.9

2009

6.3

2019

8.2

1974

7.0

2018

7.4

1964

7.0

1976

5.7

2021

6.6

2007

6.1

2020

5.6

1991

5.2

1982

6.3

1982

5.2

2011

7.1

2022

7.3

1987

7.1

2016

7.1