2017

5.3

2014

0.0

2004

8.0

2005

7.4

1977

7.7

2005

7.6

1961

7.7

1976

7.8

1979

7.3

1982

6.9

1985

7.1

1990

5.8

2021

6.8

1988

7.5

2004

6.8

2002

6.3

2004

5.0

1986

6.3

2005

6.0

1993

7.4