Description for Chart 4
Total greenhouse area in use, selected provinces, 1981 to 2011

The title of the graph is "Chart 4 Total greenhouse area in use, selected provinces, 1981 to 2011."
This is a line chart.
There are in total 7 categories in the horizontal axis. The vertical axis starts at 0 and ends at 14 with ticks every 2 points.
There are 4 series in this graph.
The vertical axis is "square metres (millions) ."
The units of the horizontal axis are years from 1981 to 1987.
The title of series 1 is "Quebec."
The minimum value is 1.156239 occurring in 1981.
The maximum value is 2.827371 occurring in 1986.
The title of series 2 is "Ontario."
The minimum value is 3.5015 occurring in 1982.
The maximum value is 12.404464 occurring in 1987.
The title of series 3 is "Alberta."
The minimum value is 0.388625 occurring in 1981.
The maximum value is 1.194907 occurring in 1987.
The title of series 4 is "British Columbia."
The minimum value is 1.007737 occurring in 1981.
The maximum value is 5.49673 occurring in 1987.