2004

4.5

2019

6.8

2020

6.9

2002

6.0

1993

7.2

1995

5.9

1994

6.1

1990

5.5

2003

6.3

1998

6.8

2008

6.8

2007

6.5

1987

6.1

2002

5.6

2021

6.9

2010

6.0

2007

6.5

1996

6.9

2003

6.0

2002

5.9