1980

6.3

1979

6.7

2015

7.2

2007

4.4

2024

0.0

2006

5.0

2019

2.0

1987

6.6

2013

0.0

1986

6.5

2003

5.6

2001

6.8

1993

7.3

1995

7.3

2018

0.0

2001

6.3

2003

7.0

2021

7.7

1989

7.3

2022

7.0