1973

7.0

2019

6.4

2024

7.4

1976

6.5

2015

4.7

1959

7.5

2012

4.7

2001

6.9

1982

7.6

1968

7.3

1980

6.3

1999

5.1

1982

5.2

2024

4.6

2017

6.2

2019

7.1

2024

6.2

2016

6.1

2016

5.7