2004

8.0

1995

7.3

1995

7.3

2024

7.0

2008

7.5

1970

6.8

2017

5.4

2018

6.1

2001

6.9

1997

7.6

2020

5.5

2015

8.0

1978

8.0

2001

5.7

1961

7.0

1985

8.2

2003

7.1

2006

7.4

1980

7.9

2009

7.8