1968

6.9

2009

4.8

1992

6.2

2015

6.2

2024

9.9

2010

4.4

1971

7.1

2009

7.3

2001

5.4

2003

5.8

1995

5.0

2021

6.1

2023

5.3

2011

4.7

5.8

2020

6.4

1988

5.3

1993

6.1