2024

5.5

2004

5.6

2000

5.8

1976

5.6

1994

6.6

1970

1.0

2003

6.2

2015

3.0

1992

7.5

2007

6.9

2009

4.7

1996

7.0

1997

2.7

2004

3.1

2009

5.4

2009

7.5

1992

5.0

2008

6.8

2019

1.5

2002

6.4