1986

6.7

2023

7.8

2006

6.2

2006

6.6

1989

6.3

2006

6.7

2015

5.2

2010

7.9

1981

7.6

1973

7.3

1965

5.2

2018

5.9

2001

6.5

1966

3.5

2024

6.5

1981

6.4

1974

7.4

2017

6.2

2007

5.8

1942

7.0