1994

7.1

1980

6.3

2020

4.2

2007

6.6

1990

6.2

2006

6.7

2009

6.6

1984

4.0

1961

7.5

2022

6.3

1995

6.2

2025

6.2

1976

5.0

2011

4.8

2010

5.5

1987

6.0

2026

0.0

1976

2.0

2023

0.0

2003

0.0