Problem: Below is 10 years' demand for YarDarts, an outdoor game.
Year Demand
1991 20,900
1992 31,200
1993 28,000
1994 41,200
1995 49,700
1996 46,400
1997 51,200
1998 52,300
1999 49,200
2000 57,600
Graph the demand data for YarDarts. Forecast the demand for YarDarts for the next five years using the graphical judgement approach.