2022

7.3

2007

8.5

1989

8.3

2008

7.5

1977

7.7

2001

8.0

2017

8.3

2011

8.4

2021

7.8

1998

7.1

2006

8.6

1991

7.6

1999

8.7

1995

6.5

2019

8.3

1999

7.7

1982

7.6

2010

8.1

2012

6.8

2018

8.0