2021

6.6

1999

4.9

2017

5.6

2011

5.4

2022

6.2

2004

5.6

2012

6.8

1980

5.5

1968

3.9

1973

4.6

1973

3.7

1998

4.7

2017

6.8

2018

5.8

1975

5.0

1983

7.3

1982

5.5

2002

5.3

2004

4.4

1983

4.9