2007

10.0

2021

6.2

1994

5.7

1996

7.4

2006

7.5

2003

9.9

1977

5.4

2023

6.9

2010

6.1

6.6

2013

8.4

1966

6.7

6.0

1985

5.9

2017

7.3

2004

7.1

2017

9.9

2020

6.7

2000

5.8

1979

6.0