2023

7.2

2001

5.1

1988

7.1

2006

7.4

2009

7.5

1993

7.7

2002

5.5

2004

5.5

1960

6.1

1975

5.6

1969

3.5

1976

5.6

2015

3.0

2013

6.7

1968

7.6

2007

4.2

2003

7.8

1971

6.1

1988

0.0

2005

6.5