2004

7.2

2017

6.5

1991

8.3

2009

5.9

2009

5.9

1966

7.5

1998

6.2

1987

6.5

2017

10.0

2007

5.0

2006

6.8

1994

7.4

1979

8.0

2015

5.4

2007

7.0

1996

5.2

2022

7.0

1982

4.5

1993

8.1

1999

6.0