2002

2.5

2003

4.7

2023

7.1

2016

5.1

2023

6.6

2017

6.7

2005

4.6

1997

7.0

2001

6.3

1995

7.3

1987

6.0

2005

6.7

2002

5.3

1996

6.3

1972

6.0

1977

7.4

2015

0.0

2014

6.8

2013

1.9

2019

5.3