2023

8.4

2021

5.3

2014

4.2

7.8

2009

6.7

2010

5.5

1989

5.6

1974

7.0

1971

6.8

2002

5.4

7.6

1966

6.3

2004

7.1

1957

7.7

2020

6.2

1934

6.4

2024

6.3

1999

6.4

2015

7.4

1961

7.7