1982

6.4

2024

4.8

2011

6.4

2009

7.9

2003

5.7

1968

6.9

1987

5.3

2025

5.0

2010

4.4

1957

7.2

2010

7.1

1976

7.9

2017

6.0

1969

7.3

1985

6.2

2023

9.4

1985

6.5

1989

7.1

1975

6.9

2017

6.8