2002

5.7

1993

6.4

1996

6.3

1972

4.1

1999

5.5

1992

7.0

1996

7.0

2006

8.0

2004

8.1

2013

0.0

2001

5.3

1998

4.7

2001

5.3

2006

0.0

2004

7.2

2019

7.6