1990

6.0

2012

6.0

1999

9.1

1992

5.4

2023

6.3

2016

7.4

1975

6.0

1969

8.3

1998

4.0

2016

9.3

2011

6.7

2017

9.4

2013

5.6

2019

6.2

1958

8.5

1970

4.6

7.8