1998

5.1

2021

7.2

2014

5.3

1986

5.6

1976

6.5

1965

7.4

2007

6.1

1995

7.6

2021

7.3

2005

6.2

2024

6.0

2004

6.5

1971

4.8

2016

5.2

1997

7.6

2003

5.8

2008

5.3

2009

5.7

1972

6.8

2001

6.7