1978

7.4

2014

5.6

2009

6.6

2013

7.6

1923

8.5

2022

6.1

2021

6.2

2021

5.7

1931

5.8

2005

7.1

5.0

2000

7.0

2013

6.1

1967

7.3

2019

7.5

6.1

2012

8.3

2009

7.1

2021

7.2

1995

6.6