4% Est. 2009 38.342544 0.026081 4% Est. 2008 20.420348 0.048971 4% Est. 2004 1.932862 0.517368 4% Est. 1989 0.555264 1.800944 3.8744% 1988 15.162078 0.065954 3.3218% 1987 0.765831 1.305772 3.1640% 1986 7.486956 0.133566 2.6144% 1985 9.727923 0.102797 2.9715% 1984 17.949685 0.055711 3.6576% 1983 0.535646 1.866903 3.8998% 1982 14.705974 0.068000 6.3831% 1981
pipes