2023

7.1

2001

7.0

2004

6.2

2004

7.3

2005

6.1

2005

5.8

2001

6.2

2005

5.8

2006

6.8

2023

0.0

1977

0.0

2003

7.0

2003

5.9

1968

5.0

1952

7.6

2006

5.8

2001

7.1

1996

6.4

1998

6.3

2016

6.0