1980

0.0

2023

7.1

2005

7.1

1996

6.7

1995

6.0

2001

8.1

2019

7.8

2002

8.6

2017

7.0

1995

7.4

1989

6.8

1984

5.3

2005

7.2

2004

6.8

2014

7.8

2014

8.6

2010

7.6

2005

8.4

1998

7.3

1999

7.7