1985

6.1

2021

9.3

2016

5.9

2006

5.0

2008

5.5

2017

7.7

1998

6.1

1973

6.4

2012

6.4

2011

7.5

1994

7.4

2023

6.8

2023

6.4

2008

7.0

2004

8.0

2017

7.3

2007

6.0

1984

7.2

2021

9.8

6.6