2001

8.2

1998

8.5

2001

3.8

2015

7.0

1983

6.0

2005

7.9

1985

8.3

1973

6.8

2003

6.2

1990

7.8

2014

7.5

1969

5.0

1997

5.8

2003

7.4

1986

6.1

1966

6.1

2006

7.8

2021

6.6

2014

7.7

1983

0.0