2015

6.4

1972

6.5

1989

5.5

1990

7.2

1998

6.1

1975

6.3

2019

6.7

1953

7.3

2016

7.2

1971

6.1

2015

7.5

2013

6.6

1959

6.1

6.7

2009

4.7

1976

6.2

2024

6.1

1986

6.2

1994

6.9

1995

5.6