1966

6.3

1985

5.7

1991

5.8

2023

8.0

2019

6.2

2021

7.2

2021

6.6

2008

6.2

2008

7.1

2008

7.3

1977

0.0

1994

4.0

1988

9.0

2022

0.0

2014

2.2

1957

0.0

1986

7.0

2009

2.9

2009

6.6

2024

7.1