1974

5.3

1973

3.7

1996

8.0

2019

5.7

2023

7.6

2020

7.3

1936

7.1

1999

6.8

1986

7.3

2017

5.8

2020

6.1

2012

9.3

2005

9.7

2020

5.5

1989

5.1

2007

6.5

2009

7.6

1991

7.3

1983

5.7