2001

6.8

2024

9.9

2010

5.5

2014

7.0

2021

7.1

1992

5.0

2023

6.1

2006

6.0

1996

6.5

2009

4.7

1979

10.0

1992

6.5

2011

5.7

2017

6.9

2002

7.5

1993

6.2

1969

6.6

1975

6.4

2022

5.4