Zhongguo hai guan tong ji = China's customs statistics.

1983 no.1; 1987-1988; 1988 no.1; 1989; 1989 no.2-4; 1990-1992; 1993 no.1-6; 1993 no.1-4; 1993 no.5-8; 1993 no.7-12; 1993 no.9-12; 1994 eno.7-12; 1994 no.1-6; 1994 no.1-4; 1995 no.1-6; 1995 no.7-12; 1996 no.1-6; 1996 no.7-12; 1997 no.1-6; 1997 no.7-12; 1998 no.1-6; 1998 no.7-12; 1999 no.1-6; 1999 no.7-12; 2000 no.1-6; 2000 no.7-12; 2001 no.1-6; 2001 no.7-12; 2002 no.1-6; 2002 no.7-12; 2003 no.1-6; 2003 no.7-12; 2004 no.1-6; 2004 no.7-12; 2005 no.1-6; 2005 no.7-12; 2006 no.1-6; 2006 no.7-12