1997

6.4

2023

9.3

2023

6.7

2011

7.3

1978

8.0

2016

5.0

2009

4.2

1966

6.2

2008

4.5

1977

3.8

1919

5.3

1967

5.0

1980

5.9

2019

9.0

1964

7.4

1972

6.0

2016

5.5

2017

3.0

2013

5.2