1995

7.3

2005

6.2

2023

5.1

2020

0.0

2006

7.1

2017

8.0

1987

7.3

2021

2.0

2006

6.6

1983

6.8

2004

5.8

1991

7.3

1986

5.6

1971

0.0

2008

6.0

2018

7.0

1930

0.0

1954

8.4

1990

7.8

2002

7.3