1999

7.3

1973

7.5

1987

7.7

2006

6.5

2015

6.8

2007

7.1

2004

3.7

2019

5.8

2007

6.5

2008

6.8

2003

0.0

1992

7.4

1966

6.3

2006

7.2

2023

6.7

1971

7.2

2004

7.0

1982

6.9

1985

7.1

1998

7.5