2002

6.7

1995

5.4

2023

7.0

2007

6.5

1997

6.6

1999

5.7

2006

6.3

1983

7.0

2001

5.2

1987

7.1

2004

7.3

2009

4.7

2008

4.8

2014

4.6

2021

7.5

1988

5.0

2004

7.4

2006

6.6

1990

6.3

2010

8.0