2022

5.8

2001

7.5

1996

7.0

1999

6.8

2001

6.9

1984

5.9

2005

7.3

1978

2.0

1973

6.8

2000

7.1

2007

6.5

2010

3.7

2004

6.1

1976

4.0

2005

6.1

1959

5.0

1975

5.7

2000

6.5

2009

0.0

2007

7.4