1987

5.3

2008

7.7

2009

6.3

2011

7.1

2024

9.6

2002

9.1

2009

6.2

2021

6.2

2022

8.2

2004

7.1

2004

9.9

1993

7.3

1988

6.3

2022

6.2

1966

5.7

2010

7.2

1993

6.1

2015

6.0

1999

7.4

2019

7.3