2023

6.9

2017

6.1

1998

6.0

1971

6.0

2018

8.0

1953

7.2

1991

6.2

2006

6.7

2015

6.0

2012

7.3

2010

7.3

2002

8.4

2000

7.3

1999

7.6

1993

6.5

2013

6.5

2013

7.5

1994

6.2

1999

8.0

2006

6.3