2011

6.7

2001

6.9

2007

5.6

2013

6.4

2004

6.4

1994

6.1

1978

5.4

2003

6.8

1988

7.4

1984

6.3

2023

5.5

1987

4.1

2006

5.1

2004

6.1

2004

8.0

2009

7.7

2006

6.6

2020

6.1

0.0

2024

1.0