2021

10.0

2008

8.9

2023

7.6

1998

7.0

1989

8.2

1987

7.7

1982

7.6

2008

7.6

2012

7.6

2023

6.5

2022

8.4

2006

8.6

2013

8.2

1990

6.9

2017

8.0

2016

8.6

2001

7.7

1975

7.0

2004

7.9

2011

7.6