1968

6.7

1989

3.5

2013

0.0

1981

4.1

2014

0.0

2006

0.0

1951

6.5

1979

6.5

1978

6.1

2021

0.0

1988

7.4

2019

8.0

1992

8.7

1979

6.8

1994

5.5

2002

5.0

2003

2.5

2016

2.0

1948

0.0

2010

7.1