2021

6.9

2017

8.0

2023

6.5

2020

4.7

2007

6.6

2008

6.6

1984

5.9

1984

7.2

2023

0.0

2014

7.7

1976

6.6

2008

7.5

2004

6.8

1983

6.9

2008

7.0

1986

6.3

2000

5.5

2008

6.3

1956

3.0

2018

7.3