1984

6.3

1961

6.9

1941

7.1

2001

7.2

2001

6.7

2024

7.0

1989

7.1

2003

6.0

1981

6.2

1987

6.0

2006

7.5

2022

5.8

2009

6.1

2001

5.3

2010

6.6

2001

4.7

2021

7.2

1986

5.6

2012

7.8

2000

8.1