2011

7.3

2023

6.0

1996

6.5

2013

8.1

1964

7.4

2001

7.2

1993

6.5

1953

7.2

1972

7.3

1961

6.9

1955

7.2

2007

6.6

1971

6.3

2021

7.0

1970

7.6

2010

5.3

2023

5.8

2020

5.6

2003

6.8