1996

5.3

5.0

2009

6.2

2023

9.2

2021

5.0

2021

6.2

1966

5.5

2015

9.3

6.4

1975

4.5

1989

5.8

2003

7.6

2002

5.4

2018

6.4

1988

5.0

2017

8.0

2005

6.8

1991

6.1

1980

6.3

1967

5.0