2007

5.2

1990

6.3

2001

6.1

2004

5.9

1997

7.1

2002

6.7

1975

7.7

1978

6.0

1987

4.1

2006

6.6

2021

6.1

1983

3.7

2004

4.7

2009

4.3

1965

0.0

1959

3.4

1998

5.4

2000

6.8

2024

8.0

1982

8.1