2023

4.8

1990

5.8

1981

6.2

1982

5.9

1984

6.1

1985

5.3

1983

7.0

2007

5.9

1992

6.0

2019

5.3

1996

5.4

1986

6.2

1988

5.5

1989

4.9

2008

6.0

2004

4.5

1998

6.8

1999

6.7

2002

6.8

2007

6.9