2007

6.0

2004

6.6

2000

5.0

2004

3.9

2007

7.2

1969

4.6

1984

5.2

2018

5.7

1973

7.4

2000

4.6

1990

0.0

2005

6.3

1964

4.0

2003

1.0

2001

5.3

2015

5.4

1983

4.0

2016

3.8

2020

5.4

2024

6.9