1974

7.0

2023

9.9

2014

7.3

2009

7.7

1971

7.6

1993

7.9

2023

6.8

2022

8.0

1990

8.1

2008

7.4

2025

6.9

2007

7.9

1981

7.5

2007

7.1

2003

7.6

1997

7.5

2005

6.2

1969

7.1

2004

7.9

1997

7.3