1994

6.0

1989

8.2

1984

8.0

2005

5.1

1999

7.2

1972

7.9

1984

7.5

2006

5.2

2007

6.5

1982

7.0

2023

6.5

2023

5.9

1998

6.0

2013

6.4

2024

6.6

2022

5.8

1983

5.6

2010

4.7

2013

7.5

2018

7.0