1993

6.1

1980

6.3

2024

7.3

2017

6.0

2015

7.4

1978

6.9

2010

7.1

7.8

2017

6.1

1973

7.6

1962

7.6

2017

6.6

6.1

2017

6.8

2012

8.9

2024

6.5

1996

7.8