1969

5.5

1985

5.2

1969

6.0

1996

4.4

2017

5.0

2004

6.6

1987

6.9

2021

0.0

2014

6.7

1964

7.4

2019

7.1

2001

6.3

2007

6.1

1985

7.2

2007

5.7

2005

6.9

2007

7.2

2005

5.9

1993

5.6

1994

8.3