1962

8.0

2006

7.6

1985

6.2

1994

5.2

1984

10.0

2017

6.1

1999

5.6

1952

7.0

1995

5.6

1980

7.3

2017

7.3

2021

8.8

1992

6.9

1981

5.4

1989

6.0

1927

7.4

1965

6.6

2019

0.0

2009

7.6

2006

6.8