2002

6.2

1997

6.8

2004

6.3

2023

7.1

1975

5.7

2000

6.6

2007

7.3

1966

7.2

2007

5.2

1998

7.5

1994

6.7

2004

6.5

2001

6.1

1985

7.5

2002

6.8

2008

5.6

1992

5.4

1996

6.1

2002

6.2

2021

5.5