CODE DATE n
000002.SZ 2011-12-31 1
000002.SZ 2012-12-31 2
000002.SZ 2013-12-31 3
000002.SZ 2014-12-31 4
000002.SZ 2015-12-31 5
000004.SZ 2011-12-31 1
000004.SZ 2012-12-31 2
000004.SZ 2013-12-31 3
000004.SZ 2014-12-31 4
000004.SZ 2015-12-31 5
000005.SZ 2011-12-31 1
000005.SZ 2012-12-31 2
000005.SZ 2013-12-31 3
000005.SZ 2014-12-31 4
000005.SZ 2015-12-31 5
000006.SZ 2011-12-31 1
000006.SZ 2012-12-31 2
000006.SZ 2013-12-31 3
000006.SZ 2014-12-31 4
000007.SZ 2011-12-31 1
000007.SZ 2012-12-31 2
000007.SZ 2013-12-31 3
000007.SZ 2014-12-31 4
000007.SZ 2015-12-31 5
000008.SZ 2011-12-31 1
000008.SZ 2012-12-31 2
000008.SZ 2013-12-31 3
有这样一组数据 ,想把少于五年的数据全部删除 怎么做呢〉/?