1989

5.8

2016

6.9

1991

5.7

1986

5.8

1990

4.4

1960

7.5

1993

5.4

2011

6.4

2018

5.9

2003

7.1

1888

4.9

2005

7.1

2018

6.1

2015

6.6

2016

6.8

1988

5.5

2012

7.6

1988

5.8

1953

4.8

2015

7.1