Available data:
LAN_20081004_20091001
LAN_20091108_20100930
LAN_20101010_20111001
LAN_20111001_20120922
LAN_20121029_20130922
LAN_20131006_20140923
LAN_20141029_20150929
LAN_20151004_20160930
LAN_20161002_20171001
LAN_20171014_20180922
LAN_20191001_20200923
LAN_20201004_20210930
