1982

0.0

2011

4.0

1986

5.8

1985

7.7

1996

6.8

1998

6.1

1978

7.6

1971

7.4

1988

5.7

2005

7.5

2007

6.7

1992

7.1

2007

7.6

1927

7.1

2003

7.2

1998

7.3

1974

0.0

2022

7.0

2017

4.6

2021

6.4