1953

7.3

5.3

2004

9.5

1989

9.3

2006

10.0

2007

7.1

2013

7.5

2001

6.1

1970

6.3

1996

5.8

1966

6.8

2008

5.2

2013

6.1

1996

7.5

2023

6.7

2021

6.8

2013

8.0

1985

7.2

1982

5.2