1983

6.6

1991

5.7

2015

5.3

2021

6.4

1989

5.5

1981

4.8

2025

0.0

1973

1.0

1983

7.0

2011

5.8

1988

5.6

1981

6.0

2010

6.1

2001

6.6

1995

6.1

2004

3.8

2024

4.5

1989

6.6

2016

7.2

2023

6.8