2019

6.5

2022

4.7

1993

7.0

1984

6.6

1989

7.8

1988

7.4

2012

7.2

1984

7.0

1959

7.9

1972

6.8

2010

5.3

1980

7.7

1996

7.3

1995

8.0

1968

7.6

2001

7.9

2004

8.0

2023

8.0

2013

7.1

1991

5.7