2006

7.4

2016

4.0

2003

7.8

2005

6.3

1975

4.9

2007

4.2

2014

6.4

1987

2.0

1968

7.6

1992

6.5

2002

4.8

2023

7.6

1980

5.1

2012

0.0

2006

6.3

2016

5.4

2022

5.0

1999

6.4

1986

3.0

2024

5.0