1991

7.2

2024

4.0

2002

8.4

1995

7.0

2003

7.2

2020

6.3

1999

7.4

2005

6.1

2016

4.9

1930

5.2

1995

4.7

2014

6.8

2023

6.9

2010

4.5

2005

4.3

1997

4.4

1985

6.1

2007

6.8

2012

6.0

2006

8.0