2001

6.9

1995

6.5

2001

6.6

2001

6.5

1975

6.3

1972

7.7

1997

7.6

2004

6.3

1984

6.6

2017

7.8

2018

6.7

2006

5.7

1984

5.3

2022

8.0

2017

4.0

2009

6.8

2012

8.4

2024

9.5

2023

6.0

2018

6.8