# Years Size Links
In 1959โ€“1963 5.0%
AS 2005โ€“2005 60.0%
CAM 1959โ€“1967 12.5%
IFB 1959โ€“1967 17.5%
IP 1967โ€“1967 61.4%
IP 1976โ€“1976 40.0%
MLP 1959โ€“1995 60.0%
MLPPMSD 1991โ€“1991 10.6%
MLPPMXD 2000โ€“2000 11.4%
MMM 1976โ€“1995 63.6%
MMMMSM 2000โ€“2005 82.9%
MSM 1987โ€“1991 44.3%
MSMMLP 1983โ€“1983 58.6%
PMSD 1959โ€“1987 38.6%
PSM 1982โ€“1982 27.3%