2021

6.4

2001

6.9

1986

7.1

1990

5.8

2004

6.0

1988

4.5

1982

6.0

1996

6.1

2005

4.6

2008

6.6

1981

7.4

1977

5.6

1992

4.2

2017

4.8

2001

7.0

1999

4.8

1986

5.6

2006

5.2

1975

6.3

1974

5.7