2019

7.0

2015

6.2

2009

6.1

2024

8.2

1997

5.3

2023

7.1

1996

5.6

2003

6.5

1995

6.9

2006

5.0

1992

7.4

1963

4.2

2017

4.5

2021

6.6

1999

7.4

2002

7.1

1968

5.0

2002

6.3

2003

7.2

1997

6.7