Year:1989, % Traffic 89.45
Year:1990, % Traffic 88.82
Year:1991, % Traffic 89.43
Year:1992, % Traffic 88.76
Year:1993, % Traffic 88.59
Year:1994, % Traffic 88.79
Year:1995, % Traffic 88.73
Year:1996, % Traffic 84.48
Year:1997, % Traffic 84.39
Year:1998, % Traffic 84.39
Year:1999, % Traffic 87.22