1998

6.8

1975

7.4

2002

7.1

2015

7.0

2016

6.5

1974

7.5

1953

7.7

2017

6.8

2003

6.7

0.0

1995

7.2

2014

7.5

0.0

2021

6.3

1980

4.3

2005

7.7

1970

5.0

2017

7.5

2007

6.6

2024

6.8