2020

7.5

2008

4.5

1983

5.8

2005

5.9

2009

6.2

1988

6.5

1999

7.4

1987

5.3

2015

6.0

2011

7.1

1966

5.7

2017

6.1

1988

5.7

2009

6.4

1957

6.9

1989

7.3

1986

6.7

2004

9.9

2023

4.1

2013

8.4