1955

7.0

2002

5.3

2008

6.6

2003

6.3

2005

6.2

1973

7.5

2022

6.5

1990

6.0

1988

6.2

1985

2.0

1987

6.0

1990

6.1

2014

6.7

1984

6.2

2004

5.6

1984

5.8

1987

2.9

1989

6.3

1977

0.0

1992

5.9