2006

7.4

1968

7.6

2003

7.8

1976

5.6

1988

7.1

2023

7.2

2001

5.1

1993

7.7

2002

5.5

1999

4.8

2000

3.7

2009

6.5

1960

6.1

2009

7.5

1977

5.6

1971

5.2

1995

3.8

2007

5.9

1969

6.5

1999

5.5