2004

7.3

1999

8.2

2003

7.1

2003

6.7

1985

7.2

1997

7.6

2018

4.9

2014

6.3

2002

6.9

1991

7.4

2022

0.0

2023

0.0

2008

5.5

2009

6.0

2023

0.0

2024

0.0

1977

6.0

2007

0.0

1952

7.6

2016

7.3