2000

6.3

2007

6.4

2004

6.9

2019

7.3

1972

5.9

2002

7.1

1997

6.1

2014

5.1

2016

3.6

2005

6.2

1997

5.2

2008

6.5

2015

3.7

2024

0.0

2023

0.0

1998

6.1

1980

6.3

2018

5.2

2014

7.5

1986

6.6