2018

0.0

1981

5.8

2010

7.1

1961

6.9

1990

6.1

1989

7.2

2005

7.7

1989

5.8

1993

6.7

1995

7.7

1970

0.0

2009

6.1

2019

10.0

2022

7.7

2008

8.5

2012

7.8

1998

5.9

2010

5.8

1980

6.3

2009

6.4