1992

4.2

2017

6.8

1999

4.0

1999

6.0

2022

5.8

2002

3.6

1984

4.7

2007

6.6

2002

5.1

2019

8.1

1972

7.0

2010

4.8

2015

7.5

1982

3.2

1976

2.3

1984

2.5

2004

3.8

1996

5.1

2014

6.4

1980

2.8