1994

7.0

2007

7.3

1975

8.0

1995

7.9

2000

7.2

2019

5.4

1998

7.5

2020

6.1

1998

6.9

2005

4.5

1998

5.5

2022

7.4

2008

7.5

2009

7.3

1961

7.2

1916

7.1

2024

5.3

1998

2.4

1968

7.4

1999

7.4