1960

8.4

2017

2.0

2000

6.9

2007

7.0

1990

3.7

1986

5.7

2009

2.9

2021

5.2

2009

4.9

1974

5.7

1981

5.2

1971

6.7

1982

5.6

2006

4.7

2024

5.7

1973

5.0

2005

4.0

2024

5.9

1990

6.1

1987

5.1