1932

7.8

1962

7.3

2005

6.2

2006

8.2

2023

7.7

2001

6.7

1946

7.5

2007

7.9

1998

6.5

2019

6.0

2007

7.3

1959

7.2

2009

5.5

2021

5.5

2013

7.5

1993

6.8

1996

4.6

1968

7.4

2014

6.0

2003

6.3