Analysis ( IPA ) of Reston , VA , for more than 2,000 projects from a variety of industries , show a decline in the percentage of major projects designed by owners ' inhouse staff from about 30 percent during 19701975 to about 25 percent during 19811985 , to less than 10 percent after 1991 .
There is no decline shown by the analysis of the 2,000 projects in Reston , VA .