1998

5.8

2003

5.9

1992

7.1

2000

6.8

2017

7.5

1977

6.9

2024

6.8

2001

5.6

2007

5.1

2022

6.4

2007

6.3

2010

8.0

1969

7.1

1998

6.9

2006

5.8

2020

6.6

2020

4.2

2019

7.6

2019

8.4

1997

6.5