1988

6.5

2023

7.7

2023

7.7

1975

8.0

1984

8.4

2003

7.4

1989

6.8

2022

7.4

2007

7.3

2007

6.5

1991

7.4

1976

6.0

1998

6.2

1987

7.3

1990

6.7

2016

4.9

1992

6.4

2008

7.5

1989

5.9

2001

7.0