315532800	# ('1979-12-31T23:59:60')
362793599	# ('1981-06-30T23:59:59')
394329599	# ('1982-06-30T23:59:59')
425865599	# ('1983-06-30T23:59:59')
489023999	# ('1985-06-30T23:59:59')
567993600	# ('1987-12-31T23:59:60')
631152000	# ('1989-12-31T23:59:60')
662688000	# ('1990-12-31T23:59:60')
709948799	# ('1992-06-30T23:59:59')
741484799	# ('1993-06-30T23:59:59')
773020799	# ('1994-06-30T23:59:59')
820454400	# ('1995-12-31T23:59:60')
867715199	# ('1997-06-30T23:59:59')
915148800	# ('1998-12-31T23:59:60')
1136073600	# ('2005-12-31T23:59:60')
1230768000	# ('2008-12-31T23:59:60')
1341100799	# ('2012-06-30T23:59:59')