From the View menu, hide the
Algebra View and show the Spreadsheet View. After showing the
Spreadsheet View, you may have to click and drag the right edge of your
screen to make the spreadsheet appear. Copy the data at the bottom of this tutorial and paste them into columns A and B. (Select cell A1 then CtrlV) 

Rightclick the heading of
column B and select "Insert Left". In cell B1 type =A1  1980 then
hit enter. Select cell B1, grab the "fill corner" on the bottom right of the cell, then drag it down to row 29, completing the table. 

Select columns B and C,
rightclick, and choose "Create List of Points" Holding the shift key, drag the axes to change their scale and get the points into view. 

Enter the Object Properties
dialogue box (CtrlE) select the points, and turn off their labels. If you look in the Algebra View, you'll see that the points are all gathered in a list, called list1 . Type the command FitExp[ list1 ] into the Input Bar. In the Algebra View you can get the equation of this graph. Browse through the command list; there are many statistics commands available that you can use with data in the spreadsheet. 
1980  82.4 
1981  90.9 
1982  96.5 
1983  99.6 
1984  103.9 
1985  107.6 
1986  109.6 
1987  113.6 
1988  118.3 
1989  124 
1990  130.7 
1991  136.2 
1992  140.3 
1993  144.5 
1994  148.2 
1995  152.4 
1996  156.9 
1997  160.5 
1998  163 
1999  166.6 
2000  172.2 
2001  177.1 
2002  179.9 
2003  184 
2004  188.9 
2005  195.3 
2006  201.6 
2007  207.34 
2008  215.3 