年份t 进口贸易额 出口贸易额 汇率
1994 9960.1 10421.8 861.87
1995 11048.1 12451.8 835.10
1996 11557.4 12576.4 831.42
1997 11806.5 15160.7 828.98
1998 11626.1 15223.6 827.91
1999 13736.4 16159.8 827.83
2000 18638.8 20634.4 827.84
2001 20159.2 22024.4 827.70
2002 24430.3 26947.9 827.70
2003 34195.6 36287.9 827.70
2004 46435.8 49103.3 827.68