2023

8.4

1923

8.5

1993

4.3

2011

6.9

2011

6.2

1992

5.0

2009

6.6

2011

6.9

7.6

1974

7.0

1993

5.0

1996

9.4

2011

6.7

1964

7.0

1937

7.1

1981

6.5

1977

7.6

2005

7.2

2013

7.3

2015

6.2