1999

6.0

2004

5.6

2002

5.6

1940

7.1

2002

5.3

2007

6.6

2005

3.7

1996

6.7

2015

7.5

2009

5.8

2015

6.4

2019

4.5

2022

5.5

2013

5.0

2006

4.7

1957

5.8

1963

6.5

1996

5.2

1980

2.8

1994

7.3