1974

3.4

2018

7.2

2004

9.5

1990

6.6

1969

8.3

1988

5.5

2001

8.0

2017

5.9

1992

6.3

2024

6.9

2011

5.7

2015

8.3

1928

6.0

1911

9.5

1996

6.1

2023

8.4

2012

7.2

2003

5.0

2016

5.9

5.0