1997

7.8

2003

5.2

2018

6.8

2023

5.8

1955

5.3

1971

3.0

2020

4.6

1998

5.0

2002

8.5

1969

5.5

1968

6.5

2017

6.8

1920

6.3

1995

9.2

2007

7.8

2018

5.8

2011

6.4

2001

5.1

2022

9.0