1898

5.2

2006

6.1

1990

5.9

2011

6.4

1988

6.3

2003

6.7

2007

6.1

1995

6.7

2009

5.0

1965

6.0

2023

6.6

1983

4.5

2015

5.9

1987

5.5

2022

7.4

2006

7.8

2010

6.1

1981

6.1

2000

5.0

1987

5.7