1971

6.6

1978

7.0

2005

7.3

1963

6.6

2024

0.0

1997

2.0

1975

8.4

2008

7.6

1964

5.0

2016

6.4

2002

7.6

2002

6.9

2002

6.6

2001

7.2

2007

5.7

1990

6.0

2006

6.7

2019

7.2

2017

7.3

1997

6.6