1993

6.2

2003

6.7

2021

9.2

1964

7.4

2011

7.3

2020

6.8

2020

9.8

2006

5.5

1968

6.9

2005

5.3

1956

5.3

1975

5.5

1993

6.1

1971

6.1

2018

7.3

1891

4.9

2003

5.7

2010

7.1