2009

7.3

1980

6.4

1990

5.0

2003

5.3

2002

6.4

2008

6.6

2021

5.9

1963

7.0

1989

6.8

1968

7.2

1985

6.5

2002

6.4

1949

7.6

2024

6.0

1978

7.4

1992

7.5

1985

6.2

2021

6.0

2024

6.3

1986

6.5