2021

6.2

2008

6.5

1993

6.4

1998

5.5

2011

6.8

2022

4.5

1989

7.0

1990

5.8

1977

6.5

2006

6.7

1961

7.7

1973

5.7

2008

7.7

2000

6.4

2012

7.0

2000

7.6

2002

5.7

2022

5.5

2016

6.1

2002

7.5