1976

7.1

1973

7.8

1992

7.4

2008

6.8

1995

7.2

2009

6.7

1988

8.4

2002

7.1

2001

6.9

1991

7.5

1962

7.2

2008

6.2

1984

5.0

2019

10.0

2012

6.5

10.0

2009

6.1

2022

0.0

2000

5.0

2009

8.2