1972

6.2

1965

6.2

1987

7.1

1970

6.8

1992

6.2

1999

5.7

2003

7.0

2019

1.0

1985

7.2

2002

5.3

2001

6.7

2022

4.8

1991

6.2

2006

4.2

2000

5.7

1974

7.5

2020

7.3

1987

5.6

1995

6.0

1976

6.3