2003

7.4

2001

6.2

1995

6.7

2021

6.3

1990

5.7

1997

6.3

1939

7.2

2023

6.9

1968

5.4

1976

6.6

1996

6.9

1992

6.7

2001

6.8

1992

7.4

1944

7.6

1995

4.8

2005

6.0

1995

8.2

2001

5.3

1954

5.9