2003

7.2

2014

5.7

1977

7.0

2004

6.2

2015

6.0

2015

6.1

2022

6.7

2011

8.2

1994

7.4

2016

7.2

1957

7.9

2023

6.3

1995

5.6

1992

5.3

2009

5.4

2021

5.7

2011

5.6

2007

6.7

2025

6.3

1989

5.9