Using Data 1990 624 1201992 617 1051994 604 1031996 631 1221998 604 1022000 606 882002 599 Q37039431

Using this data

1990 62.4 12.01992 61.7 10.51994 60.4 10.31996 63.1 12.21998 60.4 10.22000 60.6 8.82002 59.9 9.22004 58.5 9.22006 59.6 9.82008 61.5 9.52010 61.4 10.62012 63.2 12.42014

OR

 

OR