2008

4.2

1982

8.1

2006

7.0

2007

7.0

2023

6.0

2024

5.8

1967

5.7

1988

2.5

2002

5.9

2001

6.2

2005

5.1

1990

5.0

1966

6.7

1994

7.0

1987

6.8

2014

5.9

2001

7.0

1986

8.0

1997

7.4

1979

6.2