1990

6.1

1996

5.6

2009

6.1

1999

5.7

2008

6.8

1993

6.9

0.0

1984

4.9

2010

6.4

1995

7.2

2021

0.0

1962

4.2

1992

5.3

1980

4.6

2023

6.7

1972

6.3

1958

5.0

1986

7.5

1972

6.3

2009

0.0