2019

7.8

1989

6.5

2001

7.5

2001

7.4

2007

8.1

2019

5.2

1994

7.2

1992

6.8

2018

6.4

2013

5.5

1972

7.4

1996

5.9

2005

4.8

1990

6.2

2021

0.0

1999

6.5

2009

7.0

2017

6.9

1973

6.2

2011

0.0