1968

5.8

1981

3.8

2010

7.1

2007

4.9

1982

6.3

2022

0.0

1992

5.4

1986

5.4

1974

3.7

2007

5.0

2005

6.1

2014

5.6

2017

5.7

1932

6.1

1935

6.5

2009

3.5

1986

5.8

2001

6.4

1948

6.6

2024

0.0