2021

6.0

2014

6.5

2006

6.1

2007

5.6

2006

7.0

2007

6.1

2023

6.0

2009

6.3

1967

5.7

2001

6.2

1960

7.3

2002

6.3

1998

5.4

1966

6.7

1999

7.1

1984

7.1

1990

6.5

2005

7.0

2016

5.2

2003

3.8