1998

5.1

2022

5.5

2005

8.6

1985

6.7

1987

5.3

2017

4.5

2013

5.8

2012

5.7

2023

6.9

2025

6.7

1972

6.6

2004

5.3

1998

6.0

1947

6.4

7.6

1958

6.8

2005

5.1

0.0

2009

5.5

2015

6.4