2021

7.4

1996

6.5

2014

5.6

1973

6.9

1966

8.5

1960

7.5

1965

6.8

1979

7.6

2020

7.4

1967

6.8

1987

7.3

2012

7.0

1980

5.5

2001

5.8

1982

5.7

2014

4.6

1999

8.4

2003

6.1

2013

6.0

1998

6.0