1991

7.0

2014

5.6

1980

7.1

2021

7.2

1999

8.4

2019

8.1

1972

7.3

1996

5.8

1978

6.6

1989

7.5

1994

8.5

2013

7.7

1960

8.4

1987

7.5

1988

6.7

1989

7.0

2022

7.8

1943

7.5

2022

6.8

1992

6.4