1987

3.7

2005

5.4

1948

7.7

1964

0.0

2000

6.0

1972

6.6

1975

7.7

1955

6.9

1984

7.6

2016

0.0

2014

6.1

2016

5.0

1975

4.3

1980

5.9

2020

6.0

2022

2.0

2013

5.9

1971

5.8

1973

4.9

2015

8.0