Cases reported for burglary thefts with the use of lock-picking tools were29,211in2000,19,568in2001,and19,121in2002.In2003,they fell remarkably to9,351,and in2004they decreased by half to4,355.Cases reported for burglary thefts with the use of thumb-turn knob twisting were4,366in2003(up by419.8%from the previous year),but decreased to1,763(down by59.6%(id.))in2004(Source:The Criminal Investigation Bureau,National Police Agency).