1985

5.5

1961

4.3

2008

7.2

2017

7.3

1995

6.3

1989

6.6

1999

6.7

1972

7.5

2021

2.0

2007

5.3

2022

0.0

2008

4.3

2007

4.0

1986

7.6

1945

6.9

1960

5.8

1981

6.9

2004

5.7

2024

6.9

0.0