1959

3.0

1961

2.0

2002

6.5

1996

6.9

2021

7.8

1931

4.0

1961

5.6

2005

2.6

1974

0.0

2000

0.0

2019

0.0

2005

6.5

2007

5.8

2016

0.0

2017

6.0

2004

6.3

1968

5.7

1982

0.0

2007

5.7

2009

7.0