1959

8.1

1980

3.1

2002

5.5

2001

6.2

2023

7.2

1964

6.7

1959

7.1

2000

6.2

2002

5.6

1972

4.5

1984

4.9

1999

6.6

1968

4.7

1977

4.8

2002

5.6

1976

2.8

2006

4.5

1978

4.7

2017

3.8

2005

5.6