1981

4.1

1924

7.1

2015

7.4

2014

5.6

2012

6.4

2024

8.7

1985

5.9

2013

8.6

1968

6.9

2019

7.7

2011

8.1

1985

6.3

1958

7.2

2019

8.3

1979

5.2

2024

6.0

2000

5.9

1985

6.9