1. Forecast Laredo International Airport airline enplanements using the data in the in class example. Using a 10-year average market share, develop projections for the years 2005, 2010, 2015 and 2020. Show your answers in a table.

Year	Total Airline Enplanements	Southwest Region Enplanements	Market Share (%)
1990	59,279	60,925,903	0.0973%
1991	65,651	60,467,718	0.1086%
1992	80,593	63,396,932	0.1271%
1993	92,110	64,296,680	0.1433%
1994	97,998	67,434,877	0.1453%
1995	64,198	70,689,841	0.0908%
1996	57,996	72,061,761	0.0805%
1997	61,728	74,341,596	0.0830%
1998	79,714	75,957,918	0.1049%
1999	88,969	77,056,344	0.1155%
2000	90,647	79,833,666	0.1135%
2001	82,400	80,184,741	0.1028%
Ten Year Average			???

2005	???	93,167,307	???
2010	???	110,022,766	???
2015	???	126,843,590	???
2020	???	143,846,242	???
2025	???	160,775,532	???

2. How does this forecast differ from that using the 5-year average?

3. Which forecast would you select and why?