2014

7.5

2015

6.7

2014

6.2

1974

6.2

1944

5.6

1942

5.8

1981

4.2

1988

5.8

2005

5.1

2023

7.7

2021

7.1

2021

5.6

2018

8.2

1980

0.0

2009

5.7

2002

6.7

2009

4.5

2004

7.4

1961

6.5

1990

6.4