2018

4.8

1987

6.9

2002

5.4

2006

5.9

1967

7.0

1997

6.6

2007

7.1

2000

5.2

2022

5.0

1980

7.0

1990

6.8

2007

6.0

1961

6.7

2001

6.0

1957

7.0

2005

6.1

2006

3.0

2008

6.0

2001

6.4

2001

4.9