2007

6.4

2005

6.1

2005

6.6

1996

6.5

2004

5.0

2000

5.4

2016

0.0

2015

5.5

1984

0.0

2009

6.2

2007

6.0

1997

0.0

1968

5.0

1963

5.8

1999

7.8

1931

6.8

2014

5.0

2004

7.3

2022

4.7

1986

5.9